Characterization of 3-Regular Halin Graphs with Edge-face Total Chromatic Number Equal to Four

被引:0
作者
Chan, W. H. [1 ]
Lam, Peter C. B. [2 ]
Shiu, W. C. [2 ]
机构
[1] Hong Kong Inst Educ, Dept Math & Informat Technol, Hong Kong, Hong Kong, Peoples R China
[2] Hong Kong Baptist Univ, Dept Math, Hong Kong, Hong Kong, Peoples R China
关键词
Halin graphs; edge-face total chromatic number; PLANE GRAPHS;
D O I
暂无
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
The edge-face total chromatic number of 3-regular Halin graphs was shown to be 4 or 5 in [5]. In this paper, we shall provide a necessary and sufficient condition to characterize 3-regular Halin graphs with edge-face total chromatic number equal to four.
引用
收藏
页码:257 / 262
页数:6
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