Bipartite Graphs with the First and Second Largest Laplacian Spectral Radius

被引:1
|
作者
邓爱平 [1 ]
孟娟 [1 ]
机构
[1] College of Science,Donghua University
关键词
bipartite graph; Laplacian spectral radius; edge grafting;
D O I
10.19884/j.1672-5220.2011.04.017
中图分类号
O157.5 [图论];
学科分类号
070104 ;
摘要
Let kn be the class of bipartite graphs with n vertices and k cut edges.The extremal graphs with the first and the second largest Laplacian spectral radius among all graphs in kn are presented.The bounds of the Laplacian spectral radius of these extremal graphs are also obtained.
引用
收藏
页码:418 / 422
页数:5
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