The Laplacian Spectral Radius of Graphs With Given Matching Number

Lihua Feng1
1School of Mathematics, Shandong Institute of Business and Technology 191 Binhaizhong Road, Yantai, Shandong, P.R. China, 264005.

Abstract

In this paper, we obtain the largest Laplacian spectral radius for bipartite graphs with given matching number and use them to characterize the extremal general graphs.