Total colorings of planar graphs without intersecting 4-cycles and intersecting 5-cycles

被引:0
|
作者
Tan, Xiang [1 ]
Chen, Hong-Yu [2 ]
机构
[1] Shandong Univ Finance & Econ, Sch Math & Quantitat Econ, Jinan 250014, Shandong, Peoples R China
[2] Shanghai Inst Technol, Sch Sci, Shanghai 201418, Peoples R China
基金
中国国家自然科学基金;
关键词
planar graph; total coloring; cycle; TOTAL CHROMATIC NUMBER; MAXIMUM DEGREE 8;
D O I
暂无
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Let G be a planar graph with maximum degree Delta. It is proved that if Delta >= 6 and G does not contain intersecting 4-cycles and intersecting 5 -cycles, then the total chromatic number is Delta +1.
引用
收藏
页码:141 / 150
页数:10
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