Eigenvalues and perfect matchings

被引:98
作者
Brouwer, AE
Haemers, WH
机构
[1] Tilburg Univ, Dept Econometr & Operat Res, NL-5000 LE Tilburg, Netherlands
[2] Eindhoven Univ Technol, Dept Math, NL-5600 MB Eindhoven, Netherlands
关键词
perfect matching; Laplacian matrix; eigenvalues; distance-regular graphs;
D O I
10.1016/j.laa.2004.08.014
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We give sufficient conditions for existence of a perfect matching in a graph in terms of the eigenvalues of the Laplacian matrix. We also show that a distance-regular graph of degree k is k-edge-connected. (C) 2004 Elsevier Inc. All rights reserved.
引用
收藏
页码:155 / 162
页数:8
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