Sharp upper and lower bounds for the Laplacian spectral radius and the spectral radius of graphs

被引：0

作者：

Ji-ming Guo

机构：

[1] China University of Petroleum,Department of Applied Mathematics

来源：

Acta Mathematicae Applicatae Sinica, English Series | 2008年 / 24卷

关键词：

Graph; Laplacian spectral radius; spectral radius; upper (lower) bound; bipartite graph; eigenvector; 05C50;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In this paper, sharp upper bounds for the Laplacian spectral radius and the spectral radius of graphs are given, respectively. We show that some known bounds can be obtained from our bounds. For a bipartite graph G, we also present sharp lower bounds for the Laplacian spectral radius and the spectral radius, respectively.

引用

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页码：289 / 296

页数：7

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