A new proof of Grunbaum's 3 color theorem

被引:11
|
作者
Borodin, OV [1 ]
机构
[1] RUSSIAN ACAD SCI,INST MATH,SIBERIAN BRANCH,NOVOSIBIRSK 630090,RUSSIA
关键词
D O I
10.1016/0012-365X(95)00984-5
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
A simple proof of Grunbaum's theorem on the 3-colourability of planar graphs having at most three 3-cycles is given, which does not employ the colouring extension.
引用
收藏
页码:177 / 183
页数:7
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