Tight relation between the circular chromatic number and the girth of series-parallel graphs

被引:5
作者
Pan, ZS [1 ]
Zhu, XD [1 ]
机构
[1] Natl Sun Yat Sen Univ, Dept Appl Math, Kaohsiung 80424, Taiwan
关键词
circular chromatic number; two-terminal series-parallel graph; girth; odd girth;
D O I
10.1016/S0012-365X(01)00376-4
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
This paper proves the sharpness of an upper bound for the circular chromatic number of series-parallel graphs of large girth. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:393 / 404
页数:12
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