<?xml version="1.0" encoding="utf-8"?>
<export-example>
  <doc>
    <id>405</id>
    <completedYear/>
    <publishedYear/>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst/>
    <pageLast/>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume/>
    <type>reportzib</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>0</belongsToBibliography>
    <completedDate>1999-06-11</completedDate>
    <publishedDate>1999-06-11</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">My Favorite Theorem: Characterizations of Perfect Graphs</title>
    <abstract language="eng">This paper summarizes and discusses various characterizations of perfect graphs and mentions some open problems in this area.</abstract>
    <identifier type="serial">SC-99-17</identifier>
    <identifier type="opus3-id">406</identifier>
    <identifier type="urn">urn:nbn:de:0297-zib-4053</identifier>
    <enrichment key="SourceTitle">Appeared in: OPTIMA-Mathematical Programming Society Newsletter 62 (1999) 2-5</enrichment>
    <author>Martin Grötschel</author>
    <series>
      <title>ZIB-Report</title>
      <number>SC-99-17</number>
    </series>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>graph theory</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>perfect graphs</value>
    </subject>
    <subject>
      <language>eng</language>
      <type>uncontrolled</type>
      <value>integer programming</value>
    </subject>
    <collection role="ddc" number="000">Informatik, Informationswissenschaft, allgemeine Werke</collection>
    <collection role="msc" number="05C15">Coloring of graphs and hypergraphs</collection>
    <collection role="msc" number="05C35">Extremal problems [See also 90C35]</collection>
    <collection role="msc" number="05C75">Structural characterization of families of graphs</collection>
    <collection role="msc" number="90C10">Integer programming</collection>
    <collection role="msc" number="90C27">Combinatorial optimization</collection>
    <collection role="institutes" number="">ZIB Allgemein</collection>
    <collection role="persons" number="groetschel">Grötschel, Martin</collection>
    <file>https://opus4.kobv.de/opus4-zib/files/405/SC-99-17.ps</file>
    <file>https://opus4.kobv.de/opus4-zib/files/405/SC-99-17.pdf</file>
  </doc>
</export-example>
