3268 search results - page 255 / 654 » The hub number of a graph |
175
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SIAMCOMP
2000
15 years 6 months ago
2000
The bipartite crossing number problem is studied, and a connection between this problem and the linear arrangement problem is established. It is shown that when the arboricity is ...
172
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COCOA
2007
Springer
16 years 25 days ago
2007
Springer
Abstract. We study the complexity of several coloring problems on graphs, parameterized by the treewidth t of the graph: (1) The list chromatic number χl(G) of a graph G is defin...
207
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PPOPP
2006
ACM
16 years 18 days ago
2006
ACM
Performance analysis tools are critical for the effective use of large parallel computing resources, but existing tools have failed to address three problems that limit their scal...
171
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EJC
2008
15 years 6 months ago
2008
Gerards and Seymour (see [T.R. Jensen, B. Toft, Graph Coloring Problems, Wiley-Interscience, 1995], page 115) conjectured that if a graph has no odd complete minor of order p, the...
154
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DCC
2008
IEEE
16 years 6 months ago
2008
IEEE
Some improved bounds on the number of directions not determined by a point set in the affine space AG(k, q) are presented. More precisely, if there are more than pe (q -1) directio...