Edge coloring of graphs embedded in a surface of nonnegative characteristic

被引:1
|
作者
Wang, Yi-qiao [1 ]
机构
[1] Beijing Univ Chinese Med, Sch Management, Beijing 100029, Peoples R China
来源
基金
中国国家自然科学基金;
关键词
embedded Graph; chromatic index; cycle; class; 1; PLANAR GRAPH; MAXIMUM DEGREE-7;
D O I
10.1007/s10255-017-0693-y
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Let G be a graph embeddable in a surface of nonnegative characteristic with maximum degree six. In this paper, we prove that if G contains no a vertex v which is contained in all cycles of lengths from 3 to 6, then G is of Class 1.
引用
收藏
页码:709 / 716
页数:8
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