A note on acyclic vertex-colorings

被引：7

作者：

Sereni, Jean-Sebastien ^{[1
]}

Volec, Jan ^{[2
,3
,4
]}

机构：

[1] CNRS, LORIA, Vandoeuvre Les Nancy, France

[2] ETH, Dept Math, CH-8092 Zurich, Switzerland

[3] Univ Warwick, Inst Math, Coventry CV4 7AL, W Midlands, England

[4] Univ Warwick, DIMAP, Coventry CV4 7AL, W Midlands, England

来源：

JOURNAL OF COMBINATORICS | 2016年 / 7卷 / 04期

关键词：

Acyclic coloring; entropy compression; local lemma;

D O I：

10.4310/JOC.2016.v7.n4.a8

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We prove that the acyclic chromatic number of a graph with maximum degree Delta is less than 2.835 Delta(4/3) + Delta. This improves the previous upper bound, which was 50 Delta(4/3). To do so, we draw inspiration from works by Alon, McDiarmid & Reed and by Esperet & Parreau.

引用

页码：725 / 737

页数：13

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