Coloring of triangle-free graphs on the double torus

被引：1
|
作者：
Kral, Daniel [1 ]
Stehlik, Matej [1 ]
机构：
[1] Charles Univ Prague, Fac Math & Phys, Inst Theoret Comp Sci, Prague 11800, Czech Republic
来源：
SIAM JOURNAL ON DISCRETE MATHEMATICS | 2008年 / 22卷 / 02期
关键词：
triangle-free graphs; double torus; graphs on surfaces;
D O I：
10.1137/07067920X
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We show that every triangle-free graph on the double torus is 4-colorable. This settles a problem raised by Gimbel and Thomassen Trans. Amer. Math. Soc., 349 (1997), pp. 4555-4564].
引用
收藏
页码：541 / 553
页数：13
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