Gallai-Ramsey numbers for multiple triangles
Gallai-Ramsey numbers for multiple triangles
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多个三角形的加莱-拉姆齐数
DOI:
10.1016/j.dam.2021.03.020
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发表时间:
2021-07
影响因子:
1.1
通讯作者:
Chen Yaojun
中科院分区:
文献类型:
--
作者:
Zhang Fangfang;Zhu Xiutao;Chen Yaojun
A Gallai coloring of a complete graph is an edge-coloring such that no triangle has all its edges colored differently. A Gallai k-coloring is a Gallai coloring that uses at most k colors. Given an integer k≥ 2, and graphs H 1, H 2,…, H k, the Gallai-Ramsey number G R (H 1, H 2,…, H k) is the least positive integer N such that every Gallai k-coloring of the complete graph K N contains a monochromatic copy of H i in color i for some i∈{1, 2,…, k}. Let m G denote the union of m disjoint copies of G. This paper studies the Gallai–Ramsey number G R (t 1 K 3,…, t k K 3) for all integers t 1≥ t 2≥⋯≥ t k≥ 1. The case t 1= t 2=⋯= t k= 1 was obtained by Chung and Graham (1983). In this paper, we obtain a general bound of G R (t 1 K 3,…, t k K 3) for all t 1≥ t 2≥⋯≥ t k≥ 1, and prove that both the upper and lower bounds can be attained for some t i, i∈{1,…, k}.
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影响因子:
0.9
作者:
Henry Liu;Colton Magnant;Akira Saito;I. Schiermeyer;Yongtang Shi
通讯作者:
Henry Liu;Colton Magnant;Akira Saito;I. Schiermeyer;Yongtang Shi
DOI:
10.1016/j.disc.2019.111725
发表时间:
2019-05
期刊:
Discret. Math.
影响因子:
--
作者:
Zi-Xia Song;B. Wei;Fangfang Zhang;Qing-Qing Zhao-Qing
通讯作者:
Zi-Xia Song;B. Wei;Fangfang Zhang;Qing-Qing Zhao-Qing
DOI:
--
发表时间:
2018-03
期刊:
Australas. J Comb.
影响因子:
--
作者:
Zi-Xia Song;Jingmei Zhang
通讯作者:
Zi-Xia Song;Jingmei Zhang
DOI:
10.1016/s0012-365x(02)00837-3
发表时间:
2003-08
期刊:
Discret. Math.
影响因子:
--
作者:
Ling-sheng Shi
通讯作者:
Ling-sheng Shi
影响因子:
1.1
作者:
F. Graham;R. Graham
通讯作者:
F. Graham;R. Graham