EMIS ELibM Electronic Journals Publications de l'Institut Mathématique, Nouvelle Série
Vol. 85(99), pp. 35–38 (2009)

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ON THREE CONJECTURES INVOLVING THE SIGNLESS LAPLACIAN SPECTRAL RADIUS OF GRAPHS

Lihua Feng and Guihai Yu

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

Abstract: We study the signless Laplacian spectral radius of graphs and prove three conjectures of Cvetkovic, Rowlinson, and Simic [Eigenvalue bounds for the signless Laplacian, Publ. Inst. Math., Nouv. Sér. 81(95) (2007), 11–27].

Classification (MSC2000): 05C50

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Electronic fulltext finalized on: 23 Apr 2009. This page was last modified: 22 Oct 2009.

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