Circular chromatic number and graph minors

被引:9
|
作者
Zhu, XD [1 ]
机构
[1] Natl Sun Yat Sen Univ, Dept Math Appl, Kaohsiung 80424, Taiwan
来源
TAIWANESE JOURNAL OF MATHEMATICS | 2000年 / 4卷 / 04期
关键词
K-n-minor free; Hadwiger's conjecture; circular chromatic number;
D O I
10.11650/twjm/1500407298
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
This paper proves that for any integer n greater than or equal to 4 and any rational number r, 2 less than or equal to r less than or equal to n - 2, there exists a graph G which has circular chromatic number r and which does not contain K-n as a minor.
引用
收藏
页码:643 / 660
页数:18
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