On 3-colorability of planar graphs without adjacent short cycles

被引:0
|
作者
YingQian Wang
XiangHua Mao
HuaJing Lu
WeiFan Wang
机构
[1] Zhejiang Normal University,College of Mathematics, Physics and Information Engineering
[2] Ningbo Dahongying University,College of Basic Science
来源
Science China Mathematics | 2010年 / 53卷
关键词
planar graph; coloring; extension; cycle; 05C15; 68R10;
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中图分类号
学科分类号
摘要
A short cycle means a cycle of length at most 7. In this paper, we prove that planar graphs without adjacent short cycles are 3-colorable. This improves a result of Borodin et al. (2005).
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页码:1129 / 1132
页数:3
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