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| Liste aller Publikationen |
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| Publikationen des Jahres 2003 |
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Genç, Z.
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Ein neuer Ansatz zur Fahrplanoptimierung im ÖPNV:
Maximierung von zeitlichen Sicherheitabständen.
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2003, Universität zu Köln, Doktorarbeit (2003)
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Heusch, P., Porschen, S., Speckenmeyer, E.
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Improving a fixed parameter tractability time bound for the shadow problem
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Journal of Computer and System Sciences (JCSS), Volue 67, Issue 4 (2003)
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Porschen, S.
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On the Rectangular Grid Hull of Point Sets and DAG's in the Plane
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Technical Report: zaik2004-463, Universität zu Köln (2003)
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Speckenmeyer, E., Franco, J., van Maaren, H. (Editors)
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The Renesse Issue on Satisfiability
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Discrete Appl. Math., Volume 130, Number 2, Elsevier, Amsterdam (2003)
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Franco, J., Kleine Büning, H., Speckenmeyer, E. (Editors)
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Results on Satisfiability in Propositional Logic
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Annals of Mathematics and Artificial Intelligence, Volume 37 No. 3, Kluwer Academic Publishing, Dordrecht (2003)
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Porschen, S., Randerath, B., Speckenmeyer, E.
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| Linear time algorithmus for some Not-All-Equal Satisfiability Problems |
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Accepted for publication in LNAI, Springer-Verlag,
short version in: Proc. 6th Int. conf. on Theory and Appl. of Satisfiability-Testing (SAT 2003), 72-80,
St. Margaritha Ligure-Portofino (Italy) (2003)
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Randerath, B., Schiermeyer, I.
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Vertex-colouring and forbidden subgraphs - a survey
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| Technical Report: zaik2003-453, Universität zu Köln (2003) |
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Porschen, S.
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A New Duality Principle for Hypergraphs and Propositional Formulas
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Technical Report: zaik2004-464, Universität zu Köln (2003)
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Le, V. B., Randerath, B.
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On Stable Cutsets in Line Graphs
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Theoret. Comput. Sci., Vol. 301, 463-475 (2003)
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Kochol, M., Lozin, V., Randerath, B.
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The 3-colorability problem on graphs
with maximal degree 4
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SIAM J. Comp., Vol. 32(5), 1128-1139 (2003)
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Porschen, S.
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Time Complexity of Rectangular Covering Problems in the Discrete Plane
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Technical Report: zaik2004-462, Universität zu Köln (2003)
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