On 3-colorable planar graphs without cycles of four lengths

被引:7
作者
Luo, Xiaofang [1 ]
Chen, Min [1 ]
Wang, Weifan [1 ]
机构
[1] Zhejiang Normal Univ, Dept Math, Jinhua 321004, Peoples R China
基金
中国国家自然科学基金;
关键词
planar graph; coloring; cycle; length;
D O I
10.1016/j.ipl.2007.03.007
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this article we prove that planar graphs without 4-, 6-, 7-, and 8-cycles are 3-colorable. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:150 / 156
页数:7
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