871 search results - page 99 / 175 » The vertex-cover polynomial of a graph |
APPROX
2011
Springer
13 years 9 months ago
2011
Springer
How to color 3 colorable graphs with few colors is a problem of longstanding interest. The best polynomial-time algorithm uses n0.2072 colors. There are no indications that colori...
STACS
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. A parametric weighted graph is a graph whose edges are labeled with continuous real functions of a single common variable. For any instantiation of the variable, one obta...
STACS
2009
Springer
15 years 4 months ago
2009
Springer
The notions of hypertree width and generalized hypertree width were introduced by Gottlob, Leone, and Scarcello in order to extend the concept of hypergraph acyclicity. These noti...
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WAOA
2005
Springer
15 years 3 months ago
2005
Springer
Given a graph with a source and a sink node, the NP–hard maximum k–splittable flow (MkSF) problem is to find a flow of maximum value with a flow decomposition using at most...
ECCC
2006
14 years 9 months ago
2006
Attempts at classifying computational problems as polynomial time solvable, NP-complete, or belonging to a higher level in the polynomial hierarchy, face the difficulty of undecid...