两类单圈图的Ramsey数与Gallai-Ramsey数
组合数学
2018-09-28 v1
摘要
给定图和正整数,定义\emph{Gallai-Ramsey数}为最小顶点数,使得的任意-边染色均包含彩虹(全不同色)三角形或的单色拷贝。在本文中,我们考虑两类单圈图:带一条额外边的星图以及一端带三角形的路。我们给出了这两类图的-色Ramsey数,并利用它们获得Gallai-Ramsey数的一般上界与下界。
关键词
引用
@article{arxiv.1809.10298,
title = {Ramsey and Gallai-Ramsey numbers for two classes of unicyclic graphs},
author = {Zhao Wang and Yaping Mao and Colton Magnant and Jinyu Zou},
journal= {arXiv preprint arXiv:1809.10298},
year = {2018}
}
备注
17 pages. arXiv admin note: text overlap with arXiv:1802.04930