On the nullity of bicyclic graphs

被引:71
作者
Hu, Shengbiao [2 ]
Tan Xuezhong [3 ]
Liu, Bolian [1 ]
机构
[1] S China Normal Univ, Dept Math, Guangzhou 510631, Guangdong, Peoples R China
[2] Qinghai Nationalities Coll, Dept Math, Xining 810007, Qinghai, Peoples R China
[3] Guangdong Univ Business Studies, Dept Math, Guangzhou 510320, Guangdong, Peoples R China
基金
中国国家自然科学基金;
关键词
eigenvalues (of graphs); nullity; bicyclic graph;
D O I
10.1016/j.laa.2007.12.007
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The nullity of a graph is the multiplicity of the eigenvalue zero in its spectrum. In this paper, we obtain the nullity set of bicyclic graphs of order it, and determine the bicyclic graphs with maximum nullity. (C) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码:1387 / 1391
页数:5
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