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» Strong Colorings of Hypergraphs
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LATIN
2010
Springer
15 years 4 months ago
Colorful Strips
We study the following geometric hypergraph coloring problem: given a planar point set and an integer k, we wish to color the points with k colors so that any axis-aligned strip co...
Greg Aloupis, Jean Cardinal, Sébastien Coll...
IPCO
2004
114views Optimization» more  IPCO 2004»
14 years 11 months ago
Enumerating Minimal Dicuts and Strongly Connected Subgraphs and Related Geometric Problems
We consider the problems of enumerating all minimal strongly connected subgraphs and all minimal dicuts of a given directed graph G = (V, E). We show that the first of these proble...
Endre Boros, Khaled M. Elbassioni, Vladimir Gurvic...
77
Voted
COMBINATORICA
2008
78views more  COMBINATORICA 2008»
14 years 9 months ago
Optimal strong parity edge-coloring of complete graphs
A parity walk in an edge-coloring of a graph is a walk along which each color is used an even number of times. Let p(G) be the least number of colors in an edge-coloring of G havi...
David P. Bunde, Kevin Milans, Douglas B. West, Heh...
FSTTCS
2010
Springer
14 years 7 months ago
Satisfiability of Acyclic and Almost Acyclic CNF Formulas
We study the propositional satisfiability problem (SAT) on classes of CNF formulas (formulas in Conjunctive Normal Form) that obey certain structural restrictions in terms of thei...
Sebastian Ordyniak, Daniël Paulusma, Stefan S...
COCOON
2008
Springer
14 years 11 months ago
Polychromatic Colorings of n-Dimensional Guillotine-Partitions
A strong hyperbox-respecting coloring of an n-dimensional hyperbox partition is a coloring of the corners of its hyperboxes with 2n colors such that any hyperbox has all the colors...
Balázs Keszegh