91 search results - page 7 / 19 » Finding Independent Sets in Unions of Perfect Graphs |
IWPEC
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. We introduce the graph parameter boolean-width, related to the number of different unions of neighborhoods across a cut of a graph. For many graph problems this number is...
DM
2010
13 years 7 months ago
2010
Let m be a positive integer and let G be a graph. We consider the question: can the edge set E(G) of G be expressed as the union of a set M of matchings of G each of which has siz...
COMBINATORICS
2004
13 years 7 months ago
2004
A graph G is well-covered if every maximal independent set has the same cardinality. Let sk denote the number of independent sets of cardinality k, and define the independence pol...
LREC
2010
13 years 9 months ago
2010
In this paper we present a new approach for obtaining the terminology of a given domain using the category and page structures of the Wikipedia in a language independent way. The ...
FSTTCS
2007
Springer
14 years 1 months ago
2007
Springer
We study several cost coloring problems, where we are given a graph and a cost function on the independent sets and are to find a coloring that minimizes the function costs of the...