RANDIC INDEX AND EIGENVALUES OF GRAPHS

被引：5

作者：

Yu, Guihai ^{[1
]}

Feng, Lihua ^{[1
]}

机构：

[1] Shandong Inst Business & Technol, Sch Math, Yantai 264005, Shandong, Peoples R China

来源：

ROCKY MOUNTAIN JOURNAL OF MATHEMATICS | 2010年 / 40卷 / 02期

关键词：

Normalized Laplacian eigenvalues; general Randic index; CONNECTIVITY INDEX;

D O I：

10.1216/RMJ-2010-40-2-713

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Let G be a simple connected graph. The general Randic index R-alpha(G) of G is defined as R-alpha(G) = Sigma(uv is an element of E(G))(d(u)d(v))(alpha). In this paper, we present upper and lower bounds for R-1(G) in terms of the normalized Laplacian eigenvalues of a graph.

引用

页码：713 / 721

页数：9

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