For a general graph G, M(G) denotes its Mycielski graph. This article gives a number of new sufficient conditions for G to have the circular chromatic number xc(M(G)) equals to the chromatic number x(M(G)), ...For a general graph G, M(G) denotes its Mycielski graph. This article gives a number of new sufficient conditions for G to have the circular chromatic number xc(M(G)) equals to the chromatic number x(M(G)), which have improved some best sufficient conditions published up to date.展开更多
基金Supported by National Science Foundation of China (10371048)the Science Foundation of Three Gorges University.
文摘For a general graph G, M(G) denotes its Mycielski graph. This article gives a number of new sufficient conditions for G to have the circular chromatic number xc(M(G)) equals to the chromatic number x(M(G)), which have improved some best sufficient conditions published up to date.