40 search results - page 4 / 8 » Lower Bounds for On-Line Graph Coloring |
DAM
2007
13 years 8 months ago
2007
The packing chromatic number χρ(G) of a graph G is the smallest integer k such that the vertex set of G can be partitioned into packings with pairwise different widths. Several...
ESA
2008
Springer
13 years 10 months ago
2008
Springer
We consider two generalizations of the edge coloring problem in bipartite graphs. The first problem we consider is the weighted bipartite edge coloring problem where we are given a...
RSA
2011
13 years 3 months ago
2011
: The classical result in the theory of random graphs, proved by Erd˝os and Rényi in 1960, concerns the threshold for the appearance of the giant component in the random graph pr...
UAI
2004
13 years 10 months ago
2004
In this paper, we present a Branch and Bound algorithm called QuickBB for computing the treewidth of an undirected graph. This algorithm performs a search in the space of perfect ...
ISAAC
2005
Springer
14 years 2 months ago
2005
Springer
Abstract We study an information-theoretic variant of the graph coloring problem in which the objective function to minimize is the entropy of the coloring. The minimum entropy of ...