Some notes on the spectral perturbations of the signless Laplacian of a graph

被引：1

作者：

Yu Gui-dong ^{[1
]}

Cai Gai-xiang ^{[1
]}

Fan Yi-zheng ^{[2
]}

机构：

[1] Anqing Normal Univ, Sch Math & Computat Sci, Anqing 246011, Peoples R China

[2] Anhui Univ, Sch Math Sci, Hefei 230039, Peoples R China

来源：

APPLIED MATHEMATICS-A JOURNAL OF CHINESE UNIVERSITIES SERIES B | 2014年 / 29卷 / 02期

基金：

安徽省自然科学基金; 中国国家自然科学基金;

关键词：

Graph; signless Laplacian matrix; spectral perturbation; RADIUS;

D O I：

10.1007/s11766-014-3155-9

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

Let G be a simple graph and let Q (G) be the signless Laplacian matrix of G. In this paper we obtain some results on the spectral perturbation of the matrix Q (G) under an edge addition or an edge contraction.

引用

页码：241 / 248

页数：8

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