A topological lower bound for the circular chromatic number of Schrijver graphs

被引:18
|
作者
Meunier, F [1 ]
机构
[1] Imag Lab Grenoble, Lab Leibniz, F-38031 Grenoble, France
关键词
circular chromatic number; Fan's theorem; Kneser graphs; topological methods;
D O I
10.1002/jgt.20079
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this paper, we prove that the Kneser graphs defined on a ground set of n elements, where n is even, have their circular chromatic numbers equal to their chromatic numbers. (C) 2005 Wiley Periodicals, Inc.
引用
收藏
页码:257 / 261
页数:5
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