On ordinary and signless Laplacian spectral radius of graphs with fixed number of branch vertices
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摘要
The unique graphs with maximum spectral radius and signless Laplacian spectral radius are determined among trees, unicyclic graphs and bicyclic graphs respectively with fixed numbers of vertices and branch vertices (vertices of degree at least 3) using a unified approach.
论文关键词：Spectral radius,Signless Laplacian spectral radius,Branch vertex,Tree,Unicyclic graph,Bicyclic graph
论文评审过程：Received 7 April 2016, Revised 12 October 2016, Accepted 30 January 2017, Available online 21 February 2017, Version of Record 21 February 2017.
论文官网地址：https://doi.org/10.1016/j.amc.2017.01.066
