On the nullity of unicyclic graphs

被引:73
作者
Tan, XX [1 ]
Liu, BL [1 ]
机构
[1] S China Normal Univ, Dept Math, Guangzhou 510631, Peoples R China
关键词
eigenvalues (of graphs); nullity; unicyclic graph;
D O I
10.1016/j.laa.2005.06.012
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 n-vertex unicyclic graphs, and characterize the unicyclic graphs with extremal nullity. (c) 2005 Elsevier Inc. All rights reserved.
引用
收藏
页码:212 / 220
页数:9
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