Q-integral unicyclic, bicyclic and tricyclic graphs

Zhang, J; Huang, QX; Song, CX; Huang, XY

Huang, QX (reprint author), Xinjiang Univ, Coll Math & Syst Sci, Urumqi 830046, Xinjiang, Peoples R China.

MATHEMATISCHE NACHRICHTEN, 2017; 290 (5-6): 955

Abstract

A graph is called Q-integral if its signless Laplacian spectrum consists of integers. In this paper, we characterize a class of k-cyclic graphs whose ......

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