3204 search results - page 144 / 641 » The b-chromatic Number of a Graph |
DM
2008
13 years 10 months ago
2008
A clique in a graph G is a complete subgraph of G. A clique covering (partition) of G is a collection C of cliques such that each edge of G occurs in at least (exactly) one clique...
CPC
2007
13 years 10 months ago
2007
d Abstract) Colin Cooper∗ , Martin Dyer† and Catherine Greenhill‡ We consider a simple Markov chain for d-regular graphs on n vertices, and show that the mixing time of this...
ARSCOM
2002
13 years 10 months ago
2002
Given a non-planar graph G with a subdivision of K5 as a subgraph, we can either transform the K5-subdivision into a K3,3-subdivision if it is possible, or else we obtain a partit...
CAV
2006
Springer
14 years 2 months ago
2006
Springer
Abstract. The problem of finding a small unsatisfiable core of an unsatisfiable CNF formula is addressed. The proposed algorithm, Trimmer, iterates over each internal node d in the...
ISAAC
2005
Springer
14 years 3 months ago
2005
Springer
In an orthogonal drawing of a planar graph G, each vertex is drawn as a point, each edge is drawn as a sequence of alternate horizontal and vertical line segments, and any two edge...