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图的最小特征值刻划的注记
引用本文:张锦川.图的最小特征值刻划的注记[J].泉州师范学院学报,2000,18(4):4-5,9.
作者姓名:张锦川
作者单位:泉州师范学院数学系,福建,泉州,362000
摘    要:记Laplace矩阵L(G)=D(G)-A(G),而M(G)=D(G)+A(G),其中A(G),D(G)分别为阶简单图C的邻接矩阵与度对角矩阵。本文给出M(G)一些性质,并且由L(G)与M(G)的谱的关系得到二部图的一个新的刻划。

关 键 词:二部图  图谱  最小特征值  计划  注记  
文章编号:1008-4924(2000)04-0004-02

A Note on a Characterization of the Smallest Eigenvalue of a Graph
Zhang Jinchuan.A Note on a Characterization of the Smallest Eigenvalue of a Graph[J].Journal of Quanzhou Normal College,2000,18(4):4-5,9.
Authors:Zhang Jinchuan
Abstract:The Laplacian matrix is denoted by L(G)=D(G)-A(G),and let matrix M(G)= D(G) A(G),where A(G)and D(G) are the adjacent matrix and degree-diagonal matrix of a n-order simple graph G respectively.The purpose of this paper is to give some properties of matrix M(G),and a new characterization of the bipartite graph by relation of spectrum of M(G) and L(G).
Keywords:bipartite graph  spectrum of graph
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