@inproceedings{FeketeHallKoehleretal., author = {Fekete, S{\´a}ndor P. and Hall, Alexander and K{\"o}hler, Ekkehard and Kr{\"o}ller, Alexander}, title = {The Maximum Energy-Constrained Dynamic Flow Problem}, language = {en} } @misc{CorneilKoehlerOlariuetal., author = {Corneil, Derek G. and K{\"o}hler, Ekkehard and Olariu, Stephan and Stewart, Lorna}, title = {Linear Orderings of Subfamilies of AT-Free Graphs}, language = {en} } @misc{FeketeKoehlerTeich, author = {Fekete, S{\´a}ndor P. and K{\"o}hler, Ekkehard and Teich, J{\"u}rgen}, title = {Higher-Dimensional Packing with Order Constraints}, language = {en} } @misc{FeketeKoehlerTeich, author = {Fekete, S{\´a}ndor P. and K{\"o}hler, Ekkehard and Teich, J{\"u}rgen}, title = {Extending Partial Suborders}, language = {en} } @inproceedings{FeketeKoehlerTeich, author = {Fekete, S{\´a}ndor P. and K{\"o}hler, Ekkehard and Teich, J{\"u}rgen}, title = {Higher-Dimensional Packing with Order Constraints}, language = {en} } @incollection{GawrilowKoehlerMoehringetal., author = {Gawrilow, Ewgenij and K{\"o}hler, Ekkehard and M{\"o}hring, Rolf H. and Stenzel, Bj{\"o}rn}, title = {Dynamic Routing of Automated Guided Vehicles in Real-time}, language = {en} } @inproceedings{KoehlerCorneilOlariuetal., author = {K{\"o}hler, Ekkehard and Corneil, Derek G. and Olariu, Stephan and Stewart, Lorna}, title = {On subfamilies of AT-free graphs}, language = {en} } @article{Koehler, author = {K{\"o}hler, Ekkehard}, title = {Recognizing graphs without asteroidal triples}, language = {en} } @inproceedings{KoehlerSkutella, author = {K{\"o}hler, Ekkehard and Skutella, Martin}, title = {Flows over Time with Load-Dependent Transit Times}, language = {en} } @article{KoehlerSkutella, author = {K{\"o}hler, Ekkehard and Skutella, Martin}, title = {Flows over Time with Load-Dependent Transit Times}, language = {en} } @inproceedings{KoehlerLangkauSkutella, author = {K{\"o}hler, Ekkehard and Langkau, Katharina and Skutella, Martin}, title = {Time-Expanded Graphs for Flow-Dependent Transit Times}, language = {en} } @inproceedings{KoehlerMoehringSchilling, author = {K{\"o}hler, Ekkehard and M{\"o}hring, Rolf H. and Schilling, Heiko}, title = {Acceleration of shortest path and constrained shortest path computation}, language = {en} } @inproceedings{KoehlerMoehringWuensch, author = {K{\"o}hler, Ekkehard and M{\"o}hring, Rolf H. and W{\"u}nsch, Gregor}, title = {Minimizing Total Delay in Fixed-Time Controlled Traffic Networks}, language = {en} } @inproceedings{LiebchenWuenschKoehleretal., author = {Liebchen, Christian and W{\"u}nsch, Gregor and K{\"o}hler, Ekkehard and Reich, Alexander and Rizzi, Romeo}, title = {Benchmarks for strictly fundamental cycle bases}, language = {en} } @misc{PrzuljCorneilKoehler, author = {Przulj, Natasha and Corneil, Derek G. and K{\"o}hler, Ekkehard}, title = {Hereditary dominating pair graphs}, language = {en} } @misc{BaierErlebachHalletal., author = {Baier, Georg and Erlebach, Thomas and Hall, Alexander and K{\"o}hler, Ekkehard and Schilling, Heiko and Skutella, Martin}, title = {Length-bounded cuts and flows}, language = {en} } @article{KoehlerCorneilDragan, author = {K{\"o}hler, Ekkehard and Corneil, Derek G. and Dragan, Feodor F.}, title = {On the power of BFS to determine a graph's diameter}, language = {en} } @inproceedings{FeketeKoehlerTeich, author = {Fekete, S{\´a}ndor P. and K{\"o}hler, Ekkehard and Teich, J{\"u}rgen}, title = {Optimal FPGA module placement with temporal precedence constraints}, series = {Proceedings, Design, Automation and Test in Europe Conference and Exhibition 2001, Munich, Germany, March 13 - 16, 2001}, booktitle = {Proceedings, Design, Automation and Test in Europe Conference and Exhibition 2001, Munich, Germany, March 13 - 16, 2001}, editor = {Nebel, Wolfgang}, publisher = {Computer Society Press}, address = {Los Alamitos [u.a.]}, isbn = {0-7695-0993-2}, pages = {658 -- 665}, language = {en} } @article{Koehler, author = {K{\"o}hler, Ekkehard}, title = {Connected domination and dominating clique in trapezoid graphs}, language = {en} } @inproceedings{BaierKoehlerSkutella, author = {Baier, Georg and K{\"o}hler, Ekkehard and Skutella, Martin}, title = {On the k-Splittable Flow Problem}, language = {en} } @inproceedings{DraganKoehler, author = {Dragan, Feodor F. and K{\"o}hler, Ekkehard}, title = {An approximation algorithm for the tree t-spanner problem on unweighted graphs via generalized chordal graphs}, series = {Approximation, Randomization and Combinatorial Optimization, Algorithms and Techniques, 14th International Workshop, APPROX 2011, and 15th International Workshop, RANDOM 2011, Princeton, NJ, USA}, booktitle = {Approximation, Randomization and Combinatorial Optimization, Algorithms and Techniques, 14th International Workshop, APPROX 2011, and 15th International Workshop, RANDOM 2011, Princeton, NJ, USA}, publisher = {Springer}, address = {Heidelberg [u.a.]}, isbn = {978-3-642-22934-3}, pages = {171 -- 183}, language = {en} } @inproceedings{KoehlerStrehler, author = {K{\"o}hler, Ekkehard and Strehler, Martin}, title = {Traffic signal optimization using cyclically expanded networks}, series = {10th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS'10), September 9, 2010, Liverpool, United Kingdom}, booktitle = {10th Workshop on Algorithmic Approaches for Transportation Modelling, Optimization, and Systems (ATMOS'10), September 9, 2010, Liverpool, United Kingdom}, publisher = {Schloss Dagstuhl - Leibniz-Zentrum f{\"u}r Informatik GmbH}, address = {Wadern}, isbn = {978-3-939897-20-0}, pages = {114 -- 129}, language = {en} } @inproceedings{KoehlerStrehler, author = {K{\"o}hler, Ekkehard and Strehler, Martin}, title = {Signalanlagenoptimierung mit zyklisch expandierten Netzwerken}, series = {Optimierung in Verkehr und Transport, 16./17. 03. 2011, Stuttgart, Tagungsband Heureka '11}, booktitle = {Optimierung in Verkehr und Transport, 16./17. 03. 2011, Stuttgart, Tagungsband Heureka '11}, publisher = {FGSV-Verlag}, address = {K{\"o}ln}, isbn = {978-3-941790-72-8}, pages = {314 -- 333}, language = {de} }