Least Q-Eigenvalues Of Nonbipartite 2-Connected Graphs

Guanglong Yu,Lin Sun,Chao Yan,Yarong Wu,Hailiang Zhang

DISCRETE APPLIED MATHEMATICS（2021）

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摘要

Among all simple nonbipartite 2-connected graphs, the minimum least Q-eigenvalues are completely determined. As for the nonbipartite theta-graphs known as a special class of 2-connected graphs, the minimum least Q-eigenvalues are also completely determined. (C) 2021 Elsevier B.V. All rights reserved.

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关键词

Signless Laplacian, Least Q-eigenvalue, Nonbipartite, 2-connected graph

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