Star Edge Coloring of Some Classes of Graphs

被引:37
作者
Bezegova, L'udmila [4 ]
Luzar, Borut [1 ,2 ]
Mockovciakova, Martina [3 ,4 ]
Sotak, Roman [4 ]
Skrekovski, Riste [5 ,6 ]
机构
[1] Fac Informat Studies, Novo Mesto, Slovenia
[2] Inst Math Phys & Mech, Ljubljana, Slovenia
[3] Univ W Bohemia, European Ctr Excellence, New Technol Informat Soc, Plzen, Czech Republic
[4] Safarik Univ, Fac Sci, Kosice, Slovakia
[5] Univ Ljubljana, Dept Math, Ljubljana 61000, Slovenia
[6] Univ Primorska Famnit, Koper, Slovenia
关键词
star edge coloring; star chromatic index;
D O I
10.1002/jgt.21862
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
A star edge coloring of a graph is a proper edge coloring without bichromatic paths and cycles of length four. In this article, we establish tight upper bounds for trees and subcubic outerplanar graphs, and derive an upper bound for outerplanar graphs. (C) 2015 Wiley Periodicals, Inc. J. Graph Theory 81: 73-82, 2016
引用
收藏
页码:73 / 82
页数:10
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