Bounds of the Estrada index of graphs

被引：1

作者：

LIU Jian-ping1 LIU Bo-lian2 1 College of Mathematics and Computer Science

机构：

来源：

Applied Mathematics:A Journal of Chinese Universities | 2010年 / 03期

基金：

中国国家自然科学基金;

关键词：

Graph spectrum; Estrada index; bound; energy (of graph);

D O I：

暂无

中图分类号：

O157.5 [图论];

学科分类号：

070104 ;

摘要：

Let G be a graph of order n and let λ1,λ2,...,λn be its eigenvalues. The Estrada index[2] of G is defined as EE = EE(G) =∑n i=1 eλi. In this paper, new bounds for EE are established, as well as some relations between EE and graph energy E.

引用

页码：325 / 330

页数：6