Sciweavers

2 search results - page 1 / 1
» Chromatic Equivalence of Generalized Ladder Graphs
Sort
View
ARSCOM
2005
106views more  ARSCOM 2005»
13 years 4 months ago
Chromatic Equivalence of Generalized Ladder Graphs
A class of graphs called generalized ladder graphs is defined. A sufficient condition for pairs of these graphs to be chromatically equivalent is proven. In addition a formula for...
Stephen Guattery, Gary Haggard, Ronald C. Read
JGT
2006
98views more  JGT 2006»
13 years 4 months ago
Group chromatic number of planar graphs of girth at least 4
Jeager et al introduced a concept of group connectivity as an generalization of nowhere zero flows and its dual concept group coloring, and conjectured that every 5-edge connected...
Hong-Jian Lai, Xiangwen Li