New lower bounds for classical Ramsey numbers R(5,13) and R(5,14)

被引：3

作者：

Su, WL ^{[1
]}

Luo, HP

Shen, YQ

机构：

[1] Wuzhou First Middle Sch, Wuzhou 543002, Guangxi, Peoples R China

[2] Guangxi Acad Sci, Nanning 530031, Guangxi, Peoples R China

[3] Western Washington Univ, Dept Math, Bellingham, WA 98225 USA

来源：

APPLIED MATHEMATICS LETTERS | 1999年 / 12卷 / 06期

关键词：

Ramsey number; cyclic graph; lower bound;

D O I：

10.1016/S0893-9659(99)00089-0

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We construct two prime-order cyclic graphs, and use them to obtain two new lower bounds for two classical Ramsey numbers: R(5, 13) greater than or equal to 174, R(5, 14) greater than or equal to 200. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：121 / 122

页数：2

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