266 search results - page 44 / 54 » Chromatic Ramsey numbers |
JGT
2008
13 years 7 months ago
2008
An edge-operation on a graph G is defined to be either the deletion of an existing edge or the addition of a nonexisting edge. Given a family of graphs G, the editing distance fro...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
We discuss the definability of finite graphs in first-order logic with two relation symbols for adjacency and equality of vertices. The logical depth D(G) of a graph G is equal to ...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
Recent interest in region based image coding has given rise to graph coloring based partition encoding methods. These methods are based on the four color theorem for planar graphs...
SIROCCO
2007
13 years 8 months ago
2007
We present the first location oblivious distributed unit disk graph coloring algorithm having a provable performance ratio of three (i.e. the number of colors used by the algorit...
RSA
2011
13 years 2 months ago
2011
Determining the cardinality and describing the structure of H-free graphs is wellinvestigated for many graphs H. In the nineties, Prömel and Steger proved that for a graph H with...