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  <doc>
    <id>654</id>
    <completedYear/>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>reportzib</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2001-10-16</completedDate>
    <publishedDate>2001-10-16</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Empfehlungen des Wissenschaftsrates zur digitalen Informationsversorgung durch Hochschulbibliotheken</title>
    <abstract language="deu">Der Wissenschaftsrat hat in seiner Juli-Sitzung 2001 \glqq Empfehlungen zur digitalen Informationsversorgung durch Hochschulbibliotheken \grqq verabschiedet. Einige der Vorschläge des Wissenschaftsrates können, falls sie von den angesprochenen Institutionen aufgenommen werden, zu einer nachhaltigen Veränderung der wissenschaftlichen Informationslandschaft führen. In meinem kurzen Kommentar zu diesem Papier möchte ich auf einige dieser Anregungen hinweisen.</abstract>
    <identifier type="serial">01-28</identifier>
    <identifier type="opus3-id">655</identifier>
    <identifier type="urn">urn:nbn:de:0297-zib-6546</identifier>
    <enrichment key="SourceTitle">Erschienen in: DMV-Mitteilungen Nr. 4/2001, S. 40-43</enrichment>
    <author>Martin Grötschel</author>
    <series>
      <title>ZIB-Report</title>
      <number>01-28</number>
    </series>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Wissenschaftsrat</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>digitale Informationsversorgung</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Hochschulbibliotheken</value>
    </subject>
    <collection role="ddc" number="000">Informatik, Informationswissenschaft, allgemeine Werke</collection>
    <collection role="msc" number="94Axx">Communication, information</collection>
    <collection role="institutes" number="">ZIB Allgemein</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <file>https://opus4.kobv.de/opus4-zib/files/654/ZR-01-28.ps</file>
    <file>https://opus4.kobv.de/opus4-zib/files/654/ZR-01-28.pdf</file>
  </doc>
  <doc>
    <id>655</id>
    <completedYear/>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
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    <type>reportzib</type>
    <publisherName/>
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    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2001-10-16</completedDate>
    <publishedDate>2001-10-16</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Mein digitaler Traum</title>
    <abstract language="deu">Von welcher "Informationsumwelt" träumt jemand, der für seine wissenschaftliche (und sonstige) Arbeit digitale Informationstechnologie intensiv einsetzt? In diesem Artikel beschreibe ich meinen "digitalen Traum". Er ist ganz einfach zu formulieren:"Ich will alles und zwar sofort, jederzeit, "überall" und kostenlos zur Verfügung haben." Ich schildere, was davon heute schon (fast) realisiert ist und was noch fehlt. Ich skizziere einige zentrale Schwierigkeiten der vollständigen Realisierung und skizziere mögliche Lösungen.</abstract>
    <identifier type="serial">01-29</identifier>
    <identifier type="opus3-id">656</identifier>
    <identifier type="urn">urn:nbn:de:0297-zib-6558</identifier>
    <enrichment key="SourceTitle">Erschienen in: Gegenworte, Zeitschrift für den Disput über Wissen, herausg. von der BBAW, 8. Herbst 2001, 10-16</enrichment>
    <author>Martin Grötschel</author>
    <series>
      <title>ZIB-Report</title>
      <number>01-29</number>
    </series>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>digitale Informationstechnologie</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>digitale Information</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>BBAW</value>
    </subject>
    <collection role="ddc" number="000">Informatik, Informationswissenschaft, allgemeine Werke</collection>
    <collection role="msc" number="94Axx">Communication, information</collection>
    <collection role="institutes" number="">ZIB Allgemein</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <file>https://opus4.kobv.de/opus4-zib/files/655/ZR-01-29.ps</file>
    <file>https://opus4.kobv.de/opus4-zib/files/655/ZR-01-29.pdf</file>
  </doc>
  <doc>
    <id>676</id>
    <completedYear/>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>reportzib</type>
    <publisherName/>
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    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2002-02-15</completedDate>
    <publishedDate>2002-02-15</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Frequenzplanung im Mobilfunk</title>
    <abstract language="deu">Telekommunikation ist seit Jahren \glqq in\grqq. Zunächst gab es einen enormen Aufschwung; neue Technologien und Dienste haben eine überwältigende, nicht vorhersehbare Akzeptanz gefunden. Derzeit ist -- ausgelöst durch die UMTS-Lizenzversteigerungen, Rezessions- und Sättigungstendenzen -- eine Krise zu verzeichnen. Viele (auch wir) sind davon überzeugt, dass technischer Fortschritt und nützliche Dienste demnächst die Stimmung wieder ändern werden. Wenigen ist allerdings bewusst, welche Rolle Mathematik bei der Entwicklung und dem effizienten Einsatz vieler der neuen Kommunikationstechnologien spielt. In diesem Artikel soll kein Überblick über diesen umfangreichen Themenkreis gegeben werden. Wir zeigen lediglich an einem konkreten Beispiel aus dem Mobilfunk, der Frequenzplanung in GSM-Funknetzen, was man durch geeignete Modellierung der praktischen Fragestellung und den Einsatz problemadäquater Algorithmen erreichen kann.</abstract>
    <identifier type="serial">02-09</identifier>
    <identifier type="opus3-id">677</identifier>
    <identifier type="urn">urn:nbn:de:0297-zib-6762</identifier>
    <enrichment key="SourceTitle">Erschienen in: DMV-Mitteilungen 1 (2002) S. 18-25</enrichment>
    <author>Andreas Eisenblätter</author>
    <author>Martin Grötschel</author>
    <author>Arie M.C.A. Koster</author>
    <series>
      <title>ZIB-Report</title>
      <number>02-09</number>
    </series>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Telekommunikation</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Frequenzplanung</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Mobilfunk</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>GSM-Funknetze</value>
    </subject>
    <collection role="ddc" number="000">Informatik, Informationswissenschaft, allgemeine Werke</collection>
    <collection role="msc" number="05-02">Research exposition (monographs, survey articles)</collection>
    <collection role="msc" number="90-02">Research exposition (monographs, survey articles)</collection>
    <collection role="institutes" number="">ZIB Allgemein</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <file>https://opus4.kobv.de/opus4-zib/files/676/ZR-02-09.ps</file>
    <file>https://opus4.kobv.de/opus4-zib/files/676/ZR-02-09.pdf</file>
  </doc>
  <doc>
    <id>1003</id>
    <completedYear/>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>reportzib</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2007-10-01</completedDate>
    <publishedDate>2007-10-01</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Die Wissenschaftsgalaxis: Wie soll die zukünftige wissenschaftliche Informationsversorgung aussehen?</title>
    <abstract language="deu">Wissenschaftler sind an qualitativ hochwertiger Information interessiert, selten an Informationsversorgung selbst. Es ist ihnen in Fragen der Organisation meistens egal, von welchem Versorger sie das Material, das sie benötigen, bekommen. Sie wollen einfach nur alles, was sie brauchen, jederzeit, überall, sofort und möglichst kostengünstig oder gar kostenlos haben. Im Prinzip ist das möglich. Seit mindestens zehn Jahren werden so gut wie alle wissenschaftlichen Dokumente (Artikel, Messdaten,…) elektronisch erstellt. Eigentlich bräuchte man diese nur ins Internet zu stellen, und damit wäre alles verfügbar. Irgendwie funktioniert diese einfache Idee nicht so richtig, obwohl viele Anstrengungen von den verschiedensten Einrichtungen und Individuen unternommen werden, z. B. durch Open-Access-Bemühungen. Was sind die Gründe dafür? Die Fortschritte beim schnellen Zugriff auf Information im Internet sind atemberaubend (siehe Google), dennoch ist der zielgerichtete Zugriff auf wissenschaftlich relevante Information weiterhin nur oberflächlich vorhanden. Die Hindernisse sind vielfältiger Natur: Bequemlichkeit und Unwissen der Autoren, Gewohnheiten der Nutzer und Informationsvermittler, Barrieren durch Copyrights und Verlagsstrategien, Eitelkeiten. In diesem Artikel werden einige der Probleme erläutert, die dem Traum des Aufbaus der wissenschaftlichen Universalbibliothek entgegenstehen. Gleichzeitig wird skizziert, wie man auf dem Weg zur Verwirklichung des Traums ein Stück vorankommen und wie die zukünftige wissenschaftliche Informationsversorgung gestaltet werden kann.</abstract>
    <identifier type="serial">07-24</identifier>
    <identifier type="opus3-id">1014</identifier>
    <identifier type="urn">urn:nbn:de:0297-zib-10032</identifier>
    <enrichment key="SourceTitle">Erschienen in: R. Keil, M. Kerres, R. Schulmeister (Hrsg.) "eUniversity -- Update Bologna", Waxmann 2007</enrichment>
    <author>Martin Grötschel</author>
    <submitter>unknown unknown</submitter>
    <author>Joachim Lügger</author>
    <series>
      <title>ZIB-Report</title>
      <number>07-24</number>
    </series>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>wissenschaftliche Informationsversorgung</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Open Access</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>digitale Bibliothek</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Bibliothek der Zukunft</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>World Digital Mathematics Library</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Open Access Catalog</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Online Public Access Catalog</value>
    </subject>
    <collection role="ddc" number="020">Bibliotheks- und Informationswissenschaften</collection>
    <collection role="institutes" number="sis">Digital Data and Information for Society, Science, and Culture</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <file>https://opus4.kobv.de/opus4-zib/files/1003/ZR_07_24.pdf</file>
  </doc>
  <doc>
    <id>1058</id>
    <completedYear/>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>reportzib</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation>ZIB</creatingCorporation>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2008-02-04</completedDate>
    <publishedDate>2008-02-04</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Weiterentwicklung und Ausbau des Internet-Informationsdienstes "Math&amp;Industry"</title>
    <title language="eng">Math&amp;Industry (II)</title>
    <abstract language="deu">Mit dem Informationsdienst Math&amp;Industry soll ein Prototyp eines dezentralen Informationssystems für Förderprogramme und Forschungsprojekte geschaffen werden, das sich auf andere Programme (bezüglich angewandter Mathematik, aber auch darüber hinaus) übertragen lässt. Das betrifft sowohl die Konzeption (Strukturierung der Informationen) als auch die Werkzeuge, die anderen BMBF-Förderprogrammen zur Verfügung gestellt werden können. Damit sollen diese in die Lage versetzt werden, die in Math&amp;Industry entwickelten Konzepte und Werkzeuge an ihre spezifischen Bedürfnisse anzupassen.</abstract>
    <identifier type="serial">08-06</identifier>
    <identifier type="issn">1438-0064</identifier>
    <identifier type="opus3-id">1087</identifier>
    <identifier type="urn">urn:nbn:de:0297-zib-10584</identifier>
    <author>Martin Grötschel</author>
    <submitter>unknown unknown</submitter>
    <author>Robert Roggenbuck</author>
    <author>Wolfram Sperber</author>
    <author>Wolfgang Dalitz</author>
    <series>
      <title>ZIB-Report</title>
      <number>08-06</number>
    </series>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>Internet services</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>distributed systems</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>XML</value>
    </subject>
    <subject>
      <language>deu</language>
      <type>uncontrolled</type>
      <value>RDF</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>Internet services</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>distributed systems</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>XML</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>RDF</value>
    </subject>
    <collection role="ddc" number="000">Informatik, Informationswissenschaft, allgemeine Werke</collection>
    <collection role="msc" number="68T30">Knowledge representation</collection>
    <collection role="institutes" number="sis">Digital Data and Information for Society, Science, and Culture</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <file>https://opus4.kobv.de/opus4-zib/files/1058/ZR_08_06.pdf</file>
  </doc>
  <doc>
    <id>923</id>
    <completedYear/>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>reportzib</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>2006-06-01</completedDate>
    <publishedDate>2006-06-01</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Mathematical Methods for Physical Layout of Printed Circuit Boards: An Overview</title>
    <abstract language="eng">This article surveys mathematical models and methods used for physical PCB layout, i.e., component placement and wire routing. The main concepts are briefly described together with relevant references.</abstract>
    <identifier type="serial">06-29</identifier>
    <identifier type="opus3-id">923</identifier>
    <identifier type="urn">urn:nbn:de:0297-zib-9231</identifier>
    <enrichment key="SourceTitle">Appeared in: OR Spectrum 30 (2008), Nr. 3, 453–468. DOI 10.1007/s00291-007-0080-9</enrichment>
    <author>Nadine Abboud</author>
    <author>Martin Grötschel</author>
    <author>Thorsten Koch</author>
    <series>
      <title>ZIB-Report</title>
      <number>06-29</number>
    </series>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>PCB Design</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>placement</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>routing</value>
    </subject>
    <collection role="ddc" number="000">Informatik, Informationswissenschaft, allgemeine Werke</collection>
    <collection role="msc" number="68R05">Combinatorics</collection>
    <collection role="msc" number="90-02">Research exposition (monographs, survey articles)</collection>
    <collection role="msc" number="90C90">Applications of mathematical programming</collection>
    <collection role="institutes" number="">ZIB Allgemein</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="persons" number="koch">Koch, Thorsten</collection>
    <file>https://opus4.kobv.de/opus4-zib/files/923/ZR-06-29.pdf</file>
    <file>https://opus4.kobv.de/opus4-zib/files/923/ZR-06-29.ps</file>
  </doc>
  <doc>
    <id>3171</id>
    <completedYear>2006</completedYear>
    <publishedYear>2006</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>260</pageFirst>
    <pageLast>264</pageLast>
    <pageNumber/>
    <edition/>
    <issue>5</issue>
    <volume>101</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Ein gemischt-ganzzahliges lineares Optimierungsmodell für ein Laserschweißproblem im Karosseriebau</title>
    <parentTitle language="eng">Zeitschrift für wirtschaftlichen Fabrikbetrieb (ZWF) Karosseriebau</parentTitle>
    <identifier type="url">http://opus.kobv.de/zib/volltexte/2006/915/</identifier>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-9141</enrichment>
    <author>Martin Grötschel</author>
    <author>Hinrich Hinrichs</author>
    <author>Klaus Schröer</author>
    <author>Andreas Tuchscherer</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="projects" number="MATHEON-B14:Comb-Log">MATHEON-B14:Comb-Log</collection>
    <collection role="projects" number="RobotWelding">RobotWelding</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3072</id>
    <completedYear>1992</completedYear>
    <publishedYear>1992</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>309</pageFirst>
    <pageLast>330</pageLast>
    <pageNumber/>
    <edition/>
    <issue>2</issue>
    <volume>40</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Computational Results with a Cutting Plane Algorithm for Designing Communication Networks with Low-Connectivity Constraints</title>
    <parentTitle language="eng">Operations Research</parentTitle>
    <author>Martin Grötschel</author>
    <author>Clyde Monma</author>
    <author>Mechthild Stoer</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3068</id>
    <completedYear>1991</completedYear>
    <publishedYear>1991</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>61</pageFirst>
    <pageLast>84</pageLast>
    <pageNumber/>
    <edition/>
    <issue>1</issue>
    <volume>35</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Optimal Control of Plotting and Drilling Machines</title>
    <parentTitle language="eng">Zeitschrift für Operations Research</parentTitle>
    <author>Martin Grötschel</author>
    <author>Michael Jünger</author>
    <author>Gerhard Reinelt</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3067</id>
    <completedYear>1991</completedYear>
    <publishedYear>1991</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>141</pageFirst>
    <pageLast>202</pageLast>
    <pageNumber/>
    <edition/>
    <issue>2</issue>
    <volume>51</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Solution of large-scale symmetric travelling salesman problems</title>
    <parentTitle language="eng">Mathematical Programming, Series A</parentTitle>
    <author>Martin Grötschel</author>
    <author>Olaf Holland</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3070</id>
    <completedYear>1992</completedYear>
    <publishedYear>1992</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>981</pageFirst>
    <pageLast>1000</pageLast>
    <pageNumber/>
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    <title language="eng">Clique-Web Facets for Multicut Polytopes</title>
    <parentTitle language="eng">Mathematics of Operations Research</parentTitle>
    <author>Michel Deza</author>
    <author>Martin Grötschel</author>
    <author>Monique Laurent</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
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    <publishedYear>2006</publishedYear>
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    <language>eng</language>
    <pageFirst>163</pageFirst>
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    <issue>2</issue>
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    <title language="eng">An Auctioning Approach to Railway Slot Allocation</title>
    <parentTitle language="eng">Competition and Regulation in Network Industries</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-8786</enrichment>
    <author>Ralf Borndörfer</author>
    <author>Martin Grötschel</author>
    <author>Sascha Lukac</author>
    <author>Kay Mitusch</author>
    <author>Thomas Schlechte</author>
    <author>Sören Schultz</author>
    <author>Andreas Tanner</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="borndoerfer">Borndörfer, Ralf</collection>
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    <collection role="persons" number="schlechte">Schlechte, Thomas</collection>
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    <id>3180</id>
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    <language>eng</language>
    <pageFirst>453</pageFirst>
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    <issue>3</issue>
    <volume>30</volume>
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    <title language="eng">Mathematical methods for physical layout of printed circuit boards: an overview</title>
    <parentTitle language="eng">OR Spectrum</parentTitle>
    <identifier type="doi">10.1007/s00291-007-0080-9</identifier>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-9231</enrichment>
    <author>Nadine Abboud</author>
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    <author>Thorsten Koch</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="persons" number="koch">Koch, Thorsten</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3185</id>
    <completedYear>2008</completedYear>
    <publishedYear>2008</publishedYear>
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    <language>eng</language>
    <pageFirst>40</pageFirst>
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    <issue>6</issue>
    <volume>35</volume>
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    <title language="eng">Planning UMTS Radio Networks</title>
    <parentTitle language="eng">OR/MS Today</parentTitle>
    <identifier type="url">http://www.lionhrtpub.com/orms/orms-12-08/frradio.html</identifier>
    <author>Andreas Eisenblätter</author>
    <author>Hans-Florian Geerdes</author>
    <author>Martin Grötschel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3191</id>
    <completedYear>2009</completedYear>
    <publishedYear>2009</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>3</pageFirst>
    <pageLast>22</pageLast>
    <pageNumber/>
    <edition/>
    <issue>1</issue>
    <volume>111</volume>
    <type>article</type>
    <publisherName>Vieweg+Teubner</publisherName>
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    <completedDate>--</completedDate>
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    <title language="eng">Diskrete Mathematik und ihre Anwendungen</title>
    <parentTitle language="eng">Jahresbericht der Deutschen Mathematiker-Vereinigung</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-10758</enrichment>
    <enrichment key="PeerReviewed">no</enrichment>
    <author>Martin Grötschel</author>
    <author>Brigitte Lutz-Westphal</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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  <doc>
    <id>3116</id>
    <completedYear>1998</completedYear>
    <publishedYear>1998</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>20</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>76</volume>
    <type>article</type>
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    <title language="eng">Cost-efficient network synthesis from leased lines</title>
    <parentTitle language="eng">Annals of Operations Research</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-2912</enrichment>
    <author>Dimitris Alevras</author>
    <author>Martin Grötschel</author>
    <author>Roland Wessäly</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3117</id>
    <completedYear>1998</completedYear>
    <publishedYear>1998</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>6</pageLast>
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    <issue/>
    <volume>57</volume>
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    <title language="eng">Combinatorial online optimization in practice</title>
    <parentTitle language="eng">OPTIMA</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-3508</enrichment>
    <author>Norbert Ascheuer</author>
    <author>Martin Grötschel</author>
    <author>Nicola Kamin</author>
    <author>Jörg Rambau</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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  <doc>
    <id>3105</id>
    <completedYear>1996</completedYear>
    <publishedYear>1996</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>101</pageFirst>
    <pageLast>123</pageLast>
    <pageNumber/>
    <edition/>
    <issue>2</issue>
    <volume>72</volume>
    <type>article</type>
    <publisherName/>
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    <completedDate>--</completedDate>
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    <title language="eng">Packing Steiner trees: Polyhedral Investigations</title>
    <parentTitle language="eng">Mathematical Programming, Series A</parentTitle>
    <identifier type="doi">10.1007/BF02592085</identifier>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-786</enrichment>
    <author>Martin Grötschel</author>
    <author>Alexander Martin</author>
    <author>Robert Weismantel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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  <doc>
    <id>3122</id>
    <completedYear>1999</completedYear>
    <publishedYear>1999</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>501</pageFirst>
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    <pageNumber/>
    <edition/>
    <issue>3</issue>
    <volume>49</volume>
    <type>article</type>
    <publisherName/>
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    <creatingCorporation/>
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    <completedDate>--</completedDate>
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    <title language="eng">Order picking in an automatic warehouse</title>
    <parentTitle language="eng">Mathematical Methods of Operations Research</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-3519</enrichment>
    <author>Norbert Ascheuer</author>
    <author>Martin Grötschel</author>
    <author>Atef Abdel-Aziz Abdel-Hamid</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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  <doc>
    <id>3109</id>
    <completedYear>1997</completedYear>
    <publishedYear>1997</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>20</pageFirst>
    <pageLast>22</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>1/2</volume>
    <type>article</type>
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    <contributingCorporation/>
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    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Berliner Telebussystem bietet Mobilität für Behinderte</title>
    <parentTitle language="eng">Der Nahverkehr</parentTitle>
    <author>Ralf Borndörfer</author>
    <author>Martin Grötschel</author>
    <author>Fridolin Klostermeier</author>
    <author>Christian Küttner</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="institutes" number="traffic">Mathematics of Transportation and Logistics</collection>
    <collection role="persons" number="borndoerfer">Borndörfer, Ralf</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="projects" number="SenWiFo-Telebus">SenWiFo-Telebus</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3104</id>
    <completedYear>1996</completedYear>
    <publishedYear>1996</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>23</pageFirst>
    <pageLast>35</pageLast>
    <pageNumber/>
    <edition/>
    <issue>11</issue>
    <volume>31</volume>
    <type>article</type>
    <publisherName>Elsevier</publisherName>
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    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
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    <title language="eng">Optimum Path Packing on Wheels</title>
    <parentTitle language="eng">Computers and Mathematics with Applications</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-1976</enrichment>
    <author>Martin Grötschel</author>
    <author>Alexander Martin</author>
    <author>Robert Weismantel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3158</id>
    <completedYear>2003</completedYear>
    <publishedYear>2003</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>653</pageFirst>
    <pageLast>674</pageLast>
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    <issue/>
    <volume/>
    <type>incollection</type>
    <publisherName>Springer</publisherName>
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    <completedDate>--</completedDate>
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    <title language="eng">Duty Scheduling in Public Transit</title>
    <parentTitle language="eng">MATHEMATICS – Key Technology for the Future</parentTitle>
    <identifier type="doi">10.1007/978-3-642-55753-8_50</identifier>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-6286</enrichment>
    <author>Martin Grötschel</author>
    <editor>Willi Jäger</editor>
    <author>Ralf Borndörfer</author>
    <editor>Hans-Joachim Krebs</editor>
    <author>Andreas Löbel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="borndoerfer">Borndörfer, Ralf</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="persons" number="loebel">Löbel, Andreas</collection>
    <collection role="projects" number="BMBF-DS">BMBF-DS</collection>
    <collection role="projects" number="PTVIS">PTVIS</collection>
    <collection role="projects" number="ZIB-Multicore">ZIB-Multicore</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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  <doc>
    <id>3162</id>
    <completedYear>2005</completedYear>
    <publishedYear>2005</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>35</pageFirst>
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    <pageNumber/>
    <edition/>
    <issue>1</issue>
    <volume>103</volume>
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    <completedDate>--</completedDate>
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    <title language="eng">Polynomial inequalities representing polyhedra</title>
    <parentTitle language="eng">Mathematical Programming</parentTitle>
    <identifier type="doi">10.1007/s10107-004-0563-2</identifier>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-8284</enrichment>
    <author>Hartwig Bosse</author>
    <author>Martin Grötschel</author>
    <author>Martin Henk</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="projects" number="MATHEON-B10:DescribingPolyhedra">MATHEON-B10:DescribingPolyhedra</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3157</id>
    <completedYear>2003</completedYear>
    <publishedYear>2003</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>485</pageFirst>
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    <edition/>
    <issue>4</issue>
    <volume>29</volume>
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    <completedDate>--</completedDate>
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    <title language="eng">The Representation of Polyhedra by Polynomial Inequalities</title>
    <parentTitle language="eng">Discrete &amp; Computational Geometry</parentTitle>
    <identifier type="doi">10.1007/s00454-003-0782-y</identifier>
    <author>Martin Grötschel</author>
    <author>Martin Henk</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="projects" number="MATHEON-B10:DescribingPolyhedra">MATHEON-B10:DescribingPolyhedra</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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  <doc>
    <id>3156</id>
    <completedYear>2002</completedYear>
    <publishedYear>2002</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>3</pageFirst>
    <pageLast>8</pageLast>
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    <publisherName>Berliner Mathematische Gesellschaft</publisherName>
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    <completedDate>--</completedDate>
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    <title language="eng">The DFG research center “Mathematics for key technologies”</title>
    <parentTitle language="eng">DFG Research Center – Mathematics for Key Technologies</parentTitle>
    <author>Martin Grötschel</author>
    <editor>Vorstand der Berliner Mathematischen Gesellschaft</editor>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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  <doc>
    <id>3112</id>
    <completedYear>1997</completedYear>
    <publishedYear>1997</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>48</pageFirst>
    <pageLast>57</pageLast>
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    <edition/>
    <issue/>
    <volume>3</volume>
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    <completedDate>--</completedDate>
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    <title language="eng">Der Weg der Mathematik in die Informationsgesellschaft – Teil I</title>
    <parentTitle language="eng">DMV-Mitteilungen</parentTitle>
    <author>Martin Grötschel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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  <doc>
    <id>3126</id>
    <completedYear>1999</completedYear>
    <publishedYear>1999</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>2</pageFirst>
    <pageLast>5</pageLast>
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    <edition/>
    <issue/>
    <volume>62</volume>
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    <completedDate>--</completedDate>
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    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">My Favorite Theorem</title>
    <parentTitle language="eng">OPTIMA</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-4053</enrichment>
    <author>Martin Grötschel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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  <doc>
    <id>3146</id>
    <completedYear>2001</completedYear>
    <publishedYear>2001</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1</pageFirst>
    <pageLast>7</pageLast>
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    <edition/>
    <issue>2</issue>
    <volume>VI</volume>
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    <title language="eng">The Optimized Odyssey</title>
    <parentTitle language="eng">AIROnews</parentTitle>
    <author>Martin Grötschel</author>
    <author>Manfred Padberg</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
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    <id>3159</id>
    <completedYear>2003</completedYear>
    <publishedYear>2003</publishedYear>
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    <language>eng</language>
    <pageFirst>14</pageFirst>
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    <edition/>
    <issue>28</issue>
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    <title language="eng">Das elektronische Leben der Akademie</title>
    <parentTitle language="eng">Circular der BBAW</parentTitle>
    <author>Martin Grötschel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <pageFirst>73</pageFirst>
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    <edition/>
    <issue/>
    <volume>76</volume>
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    <publisherName>J. C. Baltzer AG, Science Publishers</publisherName>
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    <title language="eng">Frequency assignment in cellular phone networks</title>
    <parentTitle language="eng">Annals of Operations Research</parentTitle>
    <identifier type="doi">10.1023/A:1018908907763</identifier>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-3044</enrichment>
    <author>Ralf Borndörfer</author>
    <author>Andreas Eisenblätter</author>
    <author>Martin Grötschel</author>
    <author>Alexander Martin</author>
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    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <publishedYear>2006</publishedYear>
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    <pageFirst>14</pageFirst>
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    <edition/>
    <issue>6</issue>
    <volume>33</volume>
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    <title language="eng">Teaching MIP Modeling and Solving</title>
    <parentTitle language="eng">OR/MS Today</parentTitle>
    <identifier type="url">http://www.lionhrtpub.com/orms/orms-12-06/freducation.html</identifier>
    <author>Tobias Achterberg</author>
    <author>Martin Grötschel</author>
    <author>Thorsten Koch</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="achterberg">Achterberg, Tobias</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="persons" number="koch">Koch, Thorsten</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <completedYear>1992</completedYear>
    <publishedYear>1992</publishedYear>
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    <language>eng</language>
    <pageFirst>474</pageFirst>
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    <edition/>
    <issue>3</issue>
    <volume>2</volume>
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    <title language="eng">Facets for polyhedra arising in the design of communication networks with low-connectivity constraints</title>
    <parentTitle language="eng">SIAM Journal on Optimization</parentTitle>
    <author>Martin Grötschel</author>
    <author>Clyde Monma</author>
    <author>Mechthild Stoer</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <publishedYear>1996</publishedYear>
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    <pageFirst>125</pageFirst>
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    <edition/>
    <issue>2</issue>
    <volume>72</volume>
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    <title language="eng">Packing Steiner trees: a cutting plane algorithm and computational results</title>
    <parentTitle language="eng">Mathematical Programming, Series A</parentTitle>
    <identifier type="doi">10.1007/BF02592086</identifier>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-792</enrichment>
    <author>Martin Grötschel</author>
    <author>Alexander Martin</author>
    <author>Robert Weismantel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <completedYear>1997</completedYear>
    <publishedYear>1997</publishedYear>
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    <language>eng</language>
    <pageFirst>38</pageFirst>
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    <edition/>
    <issue/>
    <volume>2</volume>
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    <title language="eng">Optimierung des Berliner Behindertenfahrdienstes</title>
    <parentTitle language="eng">DMV-Mitteilungen</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-2799</enrichment>
    <author>Ralf Borndörfer</author>
    <author>Martin Grötschel</author>
    <author>Fridolin Klostermeier</author>
    <author>Christian Küttner</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="institutes" number="traffic">Mathematics of Transportation and Logistics</collection>
    <collection role="persons" number="borndoerfer">Borndörfer, Ralf</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="projects" number="SenWiFo-Telebus">SenWiFo-Telebus</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3114</id>
    <completedYear>1997</completedYear>
    <publishedYear>1997</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>265</pageFirst>
    <pageLast>281</pageLast>
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    <edition/>
    <issue>2</issue>
    <volume>78</volume>
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    <title language="eng">The Steiner tree packing problem in VLSI design</title>
    <parentTitle language="eng">Mathematical Programming</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-1328</enrichment>
    <author>Martin Grötschel</author>
    <author>Alexander Martin</author>
    <author>Robert Weismantel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3115</id>
    <completedYear>1998</completedYear>
    <publishedYear>1998</publishedYear>
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    <language>eng</language>
    <pageFirst>88</pageFirst>
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    <title language="eng">Survivable Mobile Phone Network Architectures</title>
    <parentTitle language="eng">IEEE Communications Magazine</parentTitle>
    <author>Dimitris Alevras</author>
    <author>Martin Grötschel</author>
    <author>Peter Jonas</author>
    <author>Uwe Paul</author>
    <author>Roland Wessäly</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3145</id>
    <completedYear>2001</completedYear>
    <publishedYear>2001</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>55</pageFirst>
    <pageLast>65</pageLast>
    <pageNumber/>
    <edition/>
    <issue>1</issue>
    <volume>25</volume>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
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    <title language="eng">Kooperativer Bibliotheksverbund Berlin-Brandenburg (KOBV)</title>
    <parentTitle language="eng">Bibliothek, Forschung und Praxis</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-6118</enrichment>
    <author>Martin Grötschel</author>
    <author>Monika Kuberek</author>
    <author>Monika Lill</author>
    <author>Stefan Lohrum</author>
    <author>Joachim Lügger</author>
    <author>Beate Rusch</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="persons" number="lohrum">Lohrum, Stefan</collection>
    <collection role="persons" number="rusch">Rusch, Beate</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3139</id>
    <completedYear>2001</completedYear>
    <publishedYear>2001</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>475</pageFirst>
    <pageLast>506</pageLast>
    <pageNumber/>
    <edition/>
    <issue>3</issue>
    <volume>90</volume>
    <type>article</type>
    <publisherName>Springer</publisherName>
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    <creatingCorporation/>
    <contributingCorporation/>
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    <completedDate>--</completedDate>
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    <title language="eng">Solving the Asymmetric Travelling Salesman Problem with time windows by branch-and-cut</title>
    <parentTitle language="eng">Mathematical Programming, Series A</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-4191</enrichment>
    <author>Norbert Ascheuer</author>
    <author>Matteo Fischetti</author>
    <author>Martin Grötschel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3121</id>
    <completedYear>1998</completedYear>
    <publishedYear>1998</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>4</pageFirst>
    <pageLast>6</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>Heft 48</volume>
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    <completedDate>--</completedDate>
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    <title language="eng">Mathe im Netz - Math-Net</title>
    <parentTitle language="eng">DFN-Mitteilungen</parentTitle>
    <author>Wolfgang Dalitz</author>
    <author>Martin Grötschel</author>
    <author>Vincent Winczewski</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3141</id>
    <completedYear>2001</completedYear>
    <publishedYear>2001</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>8</pageFirst>
    <pageLast>10</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>3</volume>
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    <completedDate>--</completedDate>
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    <title language="eng">Copyright und elektronisches Publizieren</title>
    <parentTitle language="eng">DMV-Mitteilungen</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-6395</enrichment>
    <author>Martin Grötschel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3111</id>
    <completedYear>1997</completedYear>
    <publishedYear>1997</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>43</pageFirst>
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    <edition/>
    <issue/>
    <volume>4</volume>
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    <completedDate>--</completedDate>
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    <title language="eng">Der Weg der Mathematik in die Informationsgesellschaft – Teil II</title>
    <parentTitle language="eng">DMV-Mitteilungen</parentTitle>
    <author>Martin Grötschel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3164</id>
    <completedYear>2005</completedYear>
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    <language>eng</language>
    <pageFirst>34</pageFirst>
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    <edition/>
    <issue>31</issue>
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    <completedDate>--</completedDate>
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    <title language="eng">Telota baut das elektronische Hirn der Akademie zusammen</title>
    <parentTitle language="eng">Circular der BBAW</parentTitle>
    <author>Martin Grötschel</author>
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    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3165</id>
    <completedYear>2005</completedYear>
    <publishedYear>2005</publishedYear>
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    <language>eng</language>
    <pageFirst>173</pageFirst>
    <pageLast>196</pageLast>
    <pageNumber/>
    <edition/>
    <issue>4</issue>
    <volume>107</volume>
    <type>article</type>
    <publisherName>B. G. Teubner</publisherName>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
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    <title language="eng">Matheon</title>
    <parentTitle language="eng">Jahresbericht der DMV</parentTitle>
    <author>Martin Grötschel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <id>3130</id>
    <completedYear>1999</completedYear>
    <publishedYear>1999</publishedYear>
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    <language>eng</language>
    <pageFirst>350</pageFirst>
    <pageLast>367</pageLast>
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    <edition/>
    <issue>4</issue>
    <volume>19</volume>
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    <completedDate>--</completedDate>
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    <title language="eng">Der Kooperative Bibliotheksverbund Berlin-Brandenburg</title>
    <parentTitle language="eng">ABI Technik – Zeitschrift für Automation, Bau und Technik im Archiv-, Bibliotheks- und Informationswesen</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-4418</enrichment>
    <author>Martin Grötschel</author>
    <author>Monika Kuberek</author>
    <author>Stefan Lohrum</author>
    <author>Joachim Lügger</author>
    <author>Beate Rusch</author>
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    <id>3153</id>
    <completedYear>2002</completedYear>
    <publishedYear>2002</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1,10,11</pageFirst>
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    <edition/>
    <issue>4</issue>
    <volume>35</volume>
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    <title language="eng">Making the Yellow Angels Fly</title>
    <parentTitle language="eng">SIAM News</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-6858</enrichment>
    <author>Martin Grötschel</author>
    <author>Sven Krumke</author>
    <author>Jörg Rambau</author>
    <author>Luis Miguel Torres</author>
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    <id>3134</id>
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    <publishedYear>2000</publishedYear>
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    <language>eng</language>
    <pageFirst>69</pageFirst>
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    <title language="eng">A Polyhedral Study of the Asymmetric Traveling Salesman Problem with Time Windows</title>
    <parentTitle language="eng">Networks</parentTitle>
    <author>Norbert Ascheuer</author>
    <author>Matteo Fischetti</author>
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    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
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    <id>3128</id>
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    <publishedYear>1999</publishedYear>
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    <volume>5</volume>
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    <title language="eng">Wo bleibt der Aufzug?</title>
    <parentTitle language="eng">OR News</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-4175</enrichment>
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    <author>Jörg Rambau</author>
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    <publisherName>Akademie-Verlag</publisherName>
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    <title language="eng">Telota</title>
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    <editor>Sonja von Kathrin Künzel</editor>
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    <title language="eng">Die optimierte Odyssee</title>
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    <author>Martin Grötschel</author>
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    <pageFirst>6</pageFirst>
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    <author>Martin Grötschel</author>
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    <editor>Achim Bachem</editor>
    <author>Norbert Ascheuer</author>
    <editor>Michael Jünger</editor>
    <author>Martin Grötschel</author>
    <editor>Rainer Schrader</editor>
    <author>Herbert Schorer</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3085</id>
    <completedYear>1994</completedYear>
    <publishedYear>1994</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>154</pageFirst>
    <pageLast>174</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>bookpart</type>
    <publisherName>Vieweg</publisherName>
    <publisherPlace>Braunschweig/Wiesbaden</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Wissenschaftliches Publizieren und Elektronische Fachinformation im Umbruch</title>
    <parentTitle language="eng">Jahrbuch 1994 Überblicke Mathematik</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-4966</enrichment>
    <author>Martin Grötschel</author>
    <editor>S. Chatterji</editor>
    <author>Joachim Lügger</author>
    <editor>Benno Fuchssteiner</editor>
    <author>Wolfram Sperber</author>
    <editor>Ulrich Kulisch</editor>
    <editor>Roman Liedl</editor>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3097</id>
    <completedYear>1995</completedYear>
    <publishedYear>1995</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>617</pageFirst>
    <pageLast>672</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>7</volume>
    <type>bookpart</type>
    <publisherName>North-Holland</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Design of Survivable Networks</title>
    <parentTitle language="eng">Network Models</parentTitle>
    <enrichment key="Series">Handbooks in Operations Research and Management Science</enrichment>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-1054</enrichment>
    <author>Martin Grötschel</author>
    <editor>Michael Ball</editor>
    <author>Clyde Monma</author>
    <editor>Thomas Magnanti</editor>
    <author>Mechthild Stoer</author>
    <editor>Clyde Monma</editor>
    <editor>George Nemhauser</editor>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3088</id>
    <completedYear>1995</completedYear>
    <publishedYear>1995</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1925</pageFirst>
    <pageLast>1954</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>bookpart</type>
    <publisherName>Elsevier (North-Holland)</publisherName>
    <publisherPlace>Amsterdam</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Combinatorics in Statistical Physics</title>
    <parentTitle language="eng">Handbook of combinatorics, Volume II, Part IV</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-694</enrichment>
    <author>Chris Godsil</author>
    <editor>Ronald Graham</editor>
    <author>Martin Grötschel</author>
    <editor>Martin Grötschel</editor>
    <author>Dominic Welsh</author>
    <editor>Lászlo Lovász</editor>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3095</id>
    <completedYear>1995</completedYear>
    <publishedYear>1995</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>15</pageFirst>
    <pageLast>23</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>Verlag Chemie</publisherName>
    <publisherPlace>Weinheim</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Wissenschaftliche Information am Wendepunkt?</title>
    <parentTitle language="eng">Referate/4. Weinheimer Bibliothekartreffen, 20-21. April 1995</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-5239</enrichment>
    <author>Martin Grötschel</author>
    <author>Joachim Lügger</author>
    <author>Uwe Zimmermann</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3091</id>
    <completedYear>1995</completedYear>
    <publishedYear>1995</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>1541</pageFirst>
    <pageLast>1597</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>Elsevier (North-Holland)</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Combinatorial Optimization</title>
    <parentTitle language="eng">Handbook of Combinatorics, Volume II</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-1098</enrichment>
    <author>Martin Grötschel</author>
    <editor>Ronald Graham</editor>
    <author>Lászlo Lovász</author>
    <editor>Martin Grötschel</editor>
    <editor>Lászlo Lovász</editor>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3101</id>
    <completedYear>1996</completedYear>
    <publishedYear>1996</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>38</pageFirst>
    <pageLast>67</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>bookpart</type>
    <publisherName>Harrassowitz-Verlag</publisherName>
    <publisherPlace>Wiesbaden</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Neue Produkte für die digitale Bibliothek</title>
    <parentTitle language="eng">Die unendliche Bibliothek</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-5343</enrichment>
    <author>Martin Grötschel</author>
    <author>Joachim Lügger</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3079</id>
    <completedYear>1993</completedYear>
    <publishedYear>1993</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>447</pageFirst>
    <pageLast>461</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>Librarian CORE</publisherName>
    <publisherPlace>Louvain-la-Neuve</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Routing in grid graphs by cutting planes</title>
    <parentTitle language="eng">Integer Programming and Combinatorial Optimization. Proceedings of a Conference held at Centro Ettore Majorana, Erice, Italy, April 29 - May 1, 1993</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-967</enrichment>
    <author>Martin Grötschel</author>
    <editor>Giovanni Rinaldi</editor>
    <author>Alexander Martin</author>
    <editor>Laurence Wolsey</editor>
    <author>Robert Weismantel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3069</id>
    <completedYear>1991</completedYear>
    <publishedYear>1991</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>121</pageFirst>
    <pageLast>141</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>5</volume>
    <type>conferenceobject</type>
    <publisherName>American Mathematical Society</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Polyhedral Approaches to Network Survivability</title>
    <parentTitle language="eng">Reliability of Computer and Communication Networks, Proc. Workshop 1989, New Brunswick, NJ/USA</parentTitle>
    <enrichment key="Series">Series in Discrete Mathematics and Theoretical Computer Science</enrichment>
    <author>Martin Grötschel</author>
    <editor>Fred Roberts</editor>
    <author>Clyde Monma</author>
    <editor>Frank Hwang</editor>
    <author>Mechthild Stoer</author>
    <editor>Clyde Monma</editor>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3065</id>
    <completedYear>1991</completedYear>
    <publishedYear>1991</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>221</pageFirst>
    <pageLast>252</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>4</volume>
    <type>bookpart</type>
    <publisherName>AMS</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Complete descriptions of small multicut polytopes</title>
    <parentTitle language="eng">Applied Geometry and Discrete Mathematics, The Victor Klee Festschrift</parentTitle>
    <enrichment key="Series">Series in Discrete Mathematics and Theoretical Computer Science</enrichment>
    <author>Michel Deza</author>
    <editor>Peter Gritzmann</editor>
    <author>Martin Grötschel</author>
    <editor>Bernd Sturmfels</editor>
    <author>Monique Laurent</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3071</id>
    <completedYear>1992</completedYear>
    <publishedYear>1992</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>195</pageFirst>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>SIAM</publisherName>
    <publisherPlace>Philadelphia, PA</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Theoretical and practical aspects of combinatorial problem solving</title>
    <parentTitle language="eng">Proceedings of the third annual ACM-SIAM symposium on discrete algorithms,held January 27-29, 1992, in Orlando, FL, USA</parentTitle>
    <author>Martin Grötschel</author>
    <editor>Greg Frederickson</editor>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3077</id>
    <completedYear>1993</completedYear>
    <publishedYear>1993</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition>Second corrected edition</edition>
    <issue/>
    <volume>2</volume>
    <type>book</type>
    <publisherName>Springer</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Geometric Algorithms and Combinatorial Optimization</title>
    <parentTitle language="eng">Algorithms and Combinatorics</parentTitle>
    <identifier type="isbn">3-540-56740-2, 0-387-56740-2 (U.S.)</identifier>
    <author>Martin Grötschel</author>
    <author>Lászlo Lovász</author>
    <author>Alexander Schrijver</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3066</id>
    <completedYear>1991</completedYear>
    <publishedYear>1991</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>119</pageFirst>
    <pageLast>145</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName>SIAM</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Discrete Mathematics in Manufacturing</title>
    <parentTitle language="eng">ICIAM 1991</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-738</enrichment>
    <author>Martin Grötschel</author>
    <editor>Robert O’Malley</editor>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>4609</id>
    <completedYear/>
    <publishedYear>2009</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>69</pageFirst>
    <pageLast>72</pageLast>
    <pageNumber/>
    <edition/>
    <issue>21</issue>
    <volume>21</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Veränderungen der Publikations- und Kommunikationswelt: Open Access, Google, etc.</title>
    <abstract language="deu">Beim Schreiben dieses Artikels, der auf Veränderungen der Kommunikations- und Publikationstechniken und ihre Bedeutung hinweist, ist uns mehr als je zuvor bewusst geworden, wie beschränkt das Medium Papier ist. Es gibt z. B. keine Hyperlinks, durch die man unmittelbar das Erwähnte erleben oder überprüfen kann. Ein schneller Wechsel vom Wort zum Bild, zum Ton oder Video ist nicht möglich. Wer will schon lange URLs abtippen und Medienbrüche erleiden? Wir haben uns daher entschlossen, eine textidentische Version dieses Artikels mit allen URLs – sie liegt Ihnen hier vor – elektronisch anzubieten und in der für die "Gegenworte" (BBAW) gekürzten Fassung nur durch [URL] anzudeuten, dass der Leser an dieser Stelle einfach in der elektronischen Version einen Klick ins Internet machen sollte. Und damit sind wir bereits mitten im Thema.</abstract>
    <parentTitle language="deu">Gegenworte: Hefte für den Disput über Wissen</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-11223</enrichment>
    <enrichment key="PeerReviewed">no</enrichment>
    <author>Martin Grötschel</author>
    <submitter> Engel</submitter>
    <author>Joachim Lügger</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="institutes" number="sis">Digital Data and Information for Society, Science, and Culture</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>4603</id>
    <completedYear/>
    <publishedYear>2009</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>8</pageFirst>
    <pageLast>27</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">E - Learning and the Working Mathematician</title>
    <abstract language="deu">Eigentlich war der erste Autor nur zu einem Grußwort zur Tagung „GML 2009 - Grundfragen Multimedialen Lehrens und Lernens“ eingeladen. Aber wie es bei der Vorbereitung zu solchen „Auftritten“ manchmal so kommt, wurde daraus ein E-Learning-bezogener Vortrag, der – basierend auf Erfahrungen im Fach Mathematik – einen kritischen Blick auf die E-Learning-Szene in Deutschland wirft und diese mit entsprechenden Aktivitäten weltweit vergleicht. Dies ist die in seinen mathematischen Teilen gekürzte, in den E-Learning-Anteilen ein wenig erweiterte schriftliche Fassung des Vortrags.</abstract>
    <parentTitle language="deu">Grundfragen Multimedialen Lehrens und Lernens  - Tagungsband GML 2009</parentTitle>
    <identifier type="isbn">ISBN 978 - 3 - 7983 - 2143 - 4</identifier>
    <enrichment key="PeerReviewed">no</enrichment>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-11455</enrichment>
    <author>Martin Grötschel</author>
    <submitter> Engel</submitter>
    <author>Joachim Lügger</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="institutes" number="sis">Digital Data and Information for Society, Science, and Culture</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>4347</id>
    <completedYear/>
    <publishedYear>2013</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>17</pageFirst>
    <pageLast>53</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>2</volume>
    <type>article</type>
    <publisherName>Springer</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>2013-12-05</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Towards optimizing the deployment of optical access networks</title>
    <parentTitle language="eng">EURO Journal on Computational Optimization</parentTitle>
    <identifier type="doi">10.1007/s13675-013-0016-x</identifier>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-18627</enrichment>
    <enrichment key="PeerReviewed">yes</enrichment>
    <author>Martin Grötschel</author>
    <author>Christian Raack</author>
    <author>Axel Werner</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="projects" number="FTTX-PLAN">FTTX-PLAN</collection>
    <collection role="projects" number="Multi-FTTx">Multi-FTTx</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3082</id>
    <completedYear>1994</completedYear>
    <publishedYear>1994</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>4</pageFirst>
    <pageLast>7</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>34</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Neue Wege für die Fachinformation</title>
    <parentTitle language="eng">DFN-Mitteilungen</parentTitle>
    <author>Wolfgang Dalitz</author>
    <author>Martin Grötschel</author>
    <author>Joachim Lügger</author>
    <author>Wolfram Sperber</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>4850</id>
    <completedYear/>
    <publishedYear>2014</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>229</pageFirst>
    <pageLast>246</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>162</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Characterization of Facets of the Hop Constrained Chain Polytope via Dynamic Programming</title>
    <parentTitle language="eng">Discrete Applied Mathematics</parentTitle>
    <identifier type="doi">10.1016/j.dam.2013.08.015</identifier>
    <enrichment key="PeerReviewed">yes</enrichment>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-14914</enrichment>
    <author>Martin Grötschel</author>
    <submitter> Engel</submitter>
    <author>Rüdiger Stephan</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>4851</id>
    <completedYear/>
    <publishedYear>2013</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>9</pageFirst>
    <pageLast>16</pageLast>
    <pageNumber/>
    <edition/>
    <issue>Heft 12, Erster Teil</issue>
    <volume/>
    <type>article</type>
    <publisherName>Berlin-Brandenburgische Akademie der Wissenschaften</publisherName>
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    <title language="deu">Vertrauen in die/in der Wissenschaft: Einführung in das Thema</title>
    <parentTitle language="deu">DEBATTE</parentTitle>
    <identifier type="isbn">978-3-939818-41-0</identifier>
    <enrichment key="PeerReviewed">no</enrichment>
    <author>Martin Grötschel</author>
    <submitter> Engel</submitter>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>4854</id>
    <completedYear/>
    <publishedYear>2010</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>95</pageFirst>
    <pageLast>122</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>article</type>
    <publisherName>acatech and Springer</publisherName>
    <publisherPlace>Berlin Heidelberg</publisherPlace>
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    <contributingCorporation/>
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    <completedDate>--</completedDate>
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    <title language="eng">Planning Problems in Public Transit</title>
    <parentTitle language="eng">Production Factor Mathematics</parentTitle>
    <identifier type="isbn">978-3-642-11247-8</identifier>
    <identifier type="doi">10.1007/978-3-642-11248-5</identifier>
    <enrichment key="PeerReviewed">yes</enrichment>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-11252</enrichment>
    <author>Ralf Borndörfer</author>
    <submitter> Engel</submitter>
    <author>Martin Grötschel</author>
    <author>Ulrich Jäger</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="borndoerfer">Borndörfer, Ralf</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="projects" number="MATHEON-B15">MATHEON-B15</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>4852</id>
    <completedYear/>
    <publishedYear>2013</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>63</pageFirst>
    <pageLast>69</pageLast>
    <pageNumber/>
    <edition/>
    <issue>Heft 12, Zweiter Teil</issue>
    <volume/>
    <type>article</type>
    <publisherName>Berlin-Brandenburgische Akademie der Wissenschaften</publisherName>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
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    <completedDate>--</completedDate>
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    <title language="deu">Vertrauen in die/in der Wissenschaft: Einführung</title>
    <parentTitle language="deu">DEBATTE</parentTitle>
    <identifier type="isbn">978-3-939818-41-0</identifier>
    <enrichment key="PeerReviewed">no</enrichment>
    <author>Martin Grötschel</author>
    <submitter> Engel</submitter>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>495</id>
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    <publishedYear/>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>reportzib</type>
    <publisherName/>
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    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>1993-03-11</completedDate>
    <publishedDate>1993-03-11</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Telebus-Disposition: Ein Konzept zur Serviceverbesserung bei gleichzeitiger Kostensenkung.[nur hausintern]</title>
    <abstract language="deu">"`Telebus"' ist der soziale Behindertenfahrdienst im Land Berlin. Das Telebus-Forschungsprojekt des Konrad-Zuse-Zentrums für Informationstechnik (ZIB) hat das Ziel, den Fahrdienst (insbesondere die Disposition der Telebusse) zu verbessern, d.h. kundenfreundlicher zu gestalten und gleichzeitig billiger zu machen. In diesem Bericht werden die bisherigen Ergebnisse dargestellt und weitere Möglichkeiten zur Verbesserung des Service und zur Reduzierung der Kosten skizziert. \originalTeX</abstract>
    <identifier type="serial">TR-93-03</identifier>
    <identifier type="opus3-id">495</identifier>
    <note>Volltext nur Hausintern</note>
    <author>Ralf Borndörfer</author>
    <author>Martin Grötschel</author>
    <author>Fridolin Klostermeier</author>
    <author>Christian Küttner</author>
    <series>
      <title>ZIB-Report</title>
      <number>TR-93-03</number>
    </series>
    <collection role="ddc" number="000">Informatik, Informationswissenschaft, allgemeine Werke</collection>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="institutes" number="traffic">Mathematics of Transportation and Logistics</collection>
    <collection role="persons" number="borndoerfer">Borndörfer, Ralf</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="projects" number="SenWiFo-Telebus">SenWiFo-Telebus</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>4743</id>
    <completedYear/>
    <publishedYear>2012</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>4</pageFirst>
    <pageLast>17</pageLast>
    <pageNumber/>
    <edition/>
    <issue>2</issue>
    <volume>58</volume>
    <type>article</type>
    <publisherName/>
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    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">Einblicke in die diskrete Mathematik</title>
    <abstract language="deu">„Diskrete Mathematik, was ist das?“, ist eine typische Frage von Lehrern mit traditioneller Mathematikausbildung, denn dort kam und kommt diskrete Mathematik kaum vor. Die etwas Aufgeschlosseneren fragen: „Wenn (schon wieder) etwas Neues unterrichtet werden soll, was soll denn dann im Lehrplan gestrichen werden?“ Auf die zweite Frage wird hier nicht eingegangen. Das Ziel dieses Aufsatzes ist es, in diskrete Mathematik einzuführen, Interesse an diesem Fachgebiet zu wecken und dazu anzuregen, dieses auch im Schulunterricht (ein wenig) zu berücksichtigen. Die Schüler und Schülerinnen werden dafür dankbar sein – eine Erfahrung, die in vielen Unterrichtsreihen gemacht wurde.</abstract>
    <parentTitle language="deu">Der Mathematikunterricht</parentTitle>
    <enrichment key="PeerReviewed">yes</enrichment>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-14399</enrichment>
    <author>Martin Grötschel</author>
    <submitter> Engel</submitter>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>4739</id>
    <completedYear/>
    <publishedYear>2012</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>202</pageFirst>
    <pageLast>215</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>article</type>
    <publisherName/>
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    <contributingCorporation/>
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    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="deu">10 Jahre TELOTA</title>
    <abstract language="deu">Das TELOTA-Projekt - zunächst nur für zwei Jahre gestartet - feierte am 15. Juni 2011 sein 10-jähriges Bestehen im Rahmen eines Workshops mit einem abschließenden Festvortrag von Richard Stallmann zum Thema „Copyright versus community in the age of computer networks“. Diese Veranstaltung zeigte, wie aktuell die TELOTA-Themen weiterhin sind und dass diese eine große Resonanz in der allgemeinen Öffentlichkeit finden. Die TELOTA-Aktivitäten haben sich als wichtiger Bestandteil der IT-Infrastruktur der BBAW erwiesen, gehen aber weit über reinen Service hinaus. Sie beeinflussen die Forschung selbst und führen zu neuen interessanten wissenschaftlichen Fragestellungen. Der Rückblick auf die ersten zehn Jahre der TELOTA-Initiative in diesem Artikel soll einen kleinen Eindruck von dem geben, was bisher geleistet wurde.</abstract>
    <parentTitle language="deu">Jahrbuch 2011 / Berlin-Brandenburgische Akademie der Wissenschaften</parentTitle>
    <identifier type="isbn">978-3-05-005641-8</identifier>
    <enrichment key="PeerReviewed">yes</enrichment>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-14799</enrichment>
    <author>Martin Grötschel</author>
    <submitter> Engel</submitter>
    <author>Gerald Neumann</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>4329</id>
    <completedYear>2012</completedYear>
    <publishedYear>2012</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>199</pageFirst>
    <pageLast>210</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>Extra Vol.: Optim. Stories</volume>
    <type>article</type>
    <publisherName>Documenta Mathematica</publisherName>
    <publisherPlace>Bielefeld</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Flinders Petrie, the Travelling Salesman Problem, and the Beginning of Mathematical Modeling in Archaeology</title>
    <parentTitle language="eng">Optimization Stories</parentTitle>
    <identifier type="url">http://www.mathematik.uni-bielefeld.de/documenta/vol-ismp/35_gertzen-thomas-groetschel-martin.pdf</identifier>
    <enrichment key="PeerReviewed">no</enrichment>
    <author>Thomas L. Gertzen</author>
    <editor>Martin Grötschel</editor>
    <author>Martin Grötschel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3197</id>
    <completedYear>2010</completedYear>
    <publishedYear>2010</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>27</pageFirst>
    <pageLast>51</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>article</type>
    <publisherName>American Mathematical Society</publisherName>
    <publisherPlace>Providence, Rhode Iland, USA</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">The Quickest Path to the Goal</title>
    <parentTitle language="eng">Mathematics Everywhere</parentTitle>
    <identifier type="url">http://www.ams.org/bookstore-getitem/item=MBK-72</identifier>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-11840</enrichment>
    <enrichment key="PeerReviewed">no</enrichment>
    <author>Ralf Borndörfer</author>
    <editor>Martin Aigner</editor>
    <author>Martin Grötschel</author>
    <editor>Ehrhard Behrends</editor>
    <author>Andreas Löbel</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="borndoerfer">Borndörfer, Ralf</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="persons" number="loebel">Löbel, Andreas</collection>
    <collection role="projects" number="BMBF-DS">BMBF-DS</collection>
    <collection role="projects" number="MATHEON-B15">MATHEON-B15</collection>
    <collection role="projects" number="SenWiFo-Telebus">SenWiFo-Telebus</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>4331</id>
    <completedYear>2012</completedYear>
    <publishedYear>2012</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>43</pageFirst>
    <pageLast>50</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>Extra Vol.: Optim. Stories</volume>
    <type>article</type>
    <publisherName>Documenta Mathematica</publisherName>
    <publisherPlace>Bielefeld</publisherPlace>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
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    <title language="eng">Euler, Mei-Ko Kwan, Königsberg, and a Chinese Postman</title>
    <parentTitle language="eng">Documenta Mathematica - Optimization Stories</parentTitle>
    <identifier type="url">http://www.mathematik.uni-bielefeld.de/documenta/vol-ismp/16_groetschel-martin-yuan-ya-xiang.pdf</identifier>
    <enrichment key="PeerReviewed">no</enrichment>
    <author>Martin Grötschel</author>
    <editor>Martin Grötschel</editor>
    <author>Ya-xiang Yuan</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3084</id>
    <completedYear>1994</completedYear>
    <publishedYear>1994</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>6</pageFirst>
    <pageLast>14</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>14</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">New Perspectives of a Distributed Electronic Information System for Mathematics, Part II</title>
    <parentTitle language="eng">European Mathematical Society Newsletter</parentTitle>
    <author>Wolfgang Dalitz</author>
    <author>Martin Grötschel</author>
    <author>Joachim Lügger</author>
    <author>Wolfram Sperber</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3083</id>
    <completedYear>1994</completedYear>
    <publishedYear>1994</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>6</pageFirst>
    <pageLast>17</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>13</volume>
    <type>article</type>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">New Perspectives of a Distributed Electronic Information System for Mathematics, Part I</title>
    <parentTitle language="eng">European Mathematical Society Newsletter</parentTitle>
    <author>Wolfgang Dalitz</author>
    <author>Martin Grötschel</author>
    <author>Joachim Lügger</author>
    <author>Wolfram Sperber</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>2856</id>
    <completedYear>2006</completedYear>
    <publishedYear>2006</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>30</pageFirst>
    <pageLast>40</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
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    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Public transport to the fORe</title>
    <parentTitle language="eng">OR/MS Today</parentTitle>
    <identifier type="url">http://www.lionhrtpub.com/orms/orms-4-06/frtransport.html</identifier>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-8562</enrichment>
    <author>Ralf Borndörfer</author>
    <author>Martin Grötschel</author>
    <author>Marc Pfetsch</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="borndoerfer">Borndörfer, Ralf</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="projects" number="MATHEON-B1">MATHEON-B1</collection>
    <collection role="projects" number="MATHEON-B15">MATHEON-B15</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>3081</id>
    <completedYear>1994</completedYear>
    <publishedYear>1994</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>4</pageFirst>
    <pageLast>7</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>3</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Neue Perspektiven eines Informationssystems für die Mathematik</title>
    <parentTitle language="eng">Rundbrief der Gesellschaft für Angewandte Mathematik und Mechanik</parentTitle>
    <author>Wolfgang Dalitz</author>
    <author>Martin Grötschel</author>
    <author>Joachim Lügger</author>
    <author>Wolfram Sperber</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>2837</id>
    <completedYear>1997</completedYear>
    <publishedYear>1997</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>20</pageFirst>
    <pageLast>22</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>1–2</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Telebus Berlin – Mobilität für Behinderte</title>
    <parentTitle language="eng">Der Nahverkehr</parentTitle>
    <identifier type="url">http://opus.kobv.de/zib/volltexte/1996/251/</identifier>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-2500</enrichment>
    <author>Ralf Borndörfer</author>
    <author>Martin Grötschel</author>
    <author>Fridolin Klostermeier</author>
    <author>Christian Küttner</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="borndoerfer">Borndörfer, Ralf</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="projects" number="SenWiFo-Telebus">SenWiFo-Telebus</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
  </doc>
  <doc>
    <id>5764</id>
    <completedYear/>
    <publishedYear>2014</publishedYear>
    <thesisYearAccepted/>
    <language>deu</language>
    <pageFirst>28</pageFirst>
    <pageLast>44</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>conferenceobject</type>
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    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
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    <title language="deu">Mathematik im Verkehr</title>
    <abstract language="deu">Nach einem kurzen Abriss über die Bedeutung des Verkehrssektors als eine wichtige Schlüsseltechnologie im gesamten Verlauf der Menschheitsgeschichte skizzieren wir die Rolle der Mathematik für Verkehr und Transport. Wir spekulieren dann über zukünftige Entwicklungen, insbesondere im Bereich des öffentlichen Personenverkehrs, und begründen, dass die in diesem Bereich anstehenden Herausforderungen nur mit dem Einsatz mathematischer Methoden angemessen bewältigt werden können. Die demographischen Prozesse, die in verschiedenen Teilen der Welt unterschiedlich verlaufen, wie z.B. Überalterung in Europa oder dynamische Trends zu Megastädten in Entwicklungsländern, sich ändernde Lebens- und Produktionsverhältnisse, stark wachsender Bedarf nach Mobilität und enormes Anwachsen der Komplexität der Verkehrsplanung und -durchführung, machen einen verstärkten Zugriff auf mathematische Modellierung, Simulation und Optimierung notwendig. Diese Entwicklung stellt sowohl große Herausforderungen an die Mathematik, wo vielfach noch keine geeigneten Methoden vorhanden sind, als auch an die Praktiker im Bereich von Verkehr und Transport, die sich mit neuen Planungs- und Steuerungstechnologien befassen und diese effizient einsetzen müssen. Hier wird intensive Kooperation zwischen vielen beteiligten Akteuren gefragt sein.</abstract>
    <parentTitle language="deu">HEUREKA '14. Vorträge der Tagung am 2./3. April 2014 in Stuttgart</parentTitle>
    <identifier type="isbn">978-3-86446-074-6</identifier>
    <enrichment key="PeerReviewed">no</enrichment>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-50287</enrichment>
    <author>Martin Grötschel</author>
    <submitter>Regine Kossick</submitter>
    <author>Ralf Borndörfer</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="borndoerfer">Borndörfer, Ralf</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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    <completedYear>1993</completedYear>
    <publishedYear>1993</publishedYear>
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    <language>eng</language>
    <pageFirst>25</pageFirst>
    <pageLast>42</pageLast>
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    <issue>1</issue>
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    <title language="eng">A Cutting Plane Approach to the Sequential Ordering Problem (with Applications to Job Scheduling in Manufacturing)</title>
    <parentTitle language="eng">SIAM Journal on Optimization</parentTitle>
    <author>Norbert Ascheuer</author>
    <author>Laureano Escudero</author>
    <author>Martin Grötschel</author>
    <author>Mechthild Stoer</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
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    <pageNumber/>
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    <title language="eng">Verteiltes Informationssystem für die Mathematik</title>
    <parentTitle language="eng">Mitteilungen der Deutschen Mathematiker-Vereinigung</parentTitle>
    <enrichment key="PreprintUrn">urn:nbn:de:0297-zib-5218</enrichment>
    <author>Wolfgang Dalitz</author>
    <author>Martin Grötschel</author>
    <author>Joachim Lügger</author>
    <author>Wolfram Sperber</author>
    <collection role="institutes" number="optimization">Mathematical Optimization</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <collection role="institutes" number="aopt">Applied Optimization</collection>
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