A conjecture on the lower bound of the signed edge domination number of 2-connected graphs

被引:0
作者
Feng, Xing [1 ]
Ge, Jun [2 ,3 ]
机构
[1] Jiangxi Univ Sci & Technol, Fac Sci, Ganzhou, Peoples R China
[2] Sichuan Normal Univ, Sch Math Sci, Chengdu, Sichuan, Peoples R China
[3] Sichuan Normal Univ, Laurent Math Ctr, Chengdu, Sichuan, Peoples R China
关键词
Domination; Signed edge domination function; Signed edge domination number;
D O I
10.1016/j.dam.2021.06.003
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this short note, we construct an infinite family of counterexamples to a conjecture on the lower bound of the signed edge domination number of 2-connected graphs. We propose two problems in order to revise the original conjecture. (C) 2021 Elsevier B.V. All rights reserved.
引用
收藏
页码:42 / 45
页数:4
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