Title

All Primitive Strongly Regular Graphs Except Four Are Hyperenergetic

Keywords

Eigenvalues; Graph energy; Strongly regular graphs

Abstract

The energy of a graph G, denoted by E(G), is the sum of the absolute values of the eigenvalues of G. If G is a graph on n vertices and E(G)>2(n-1), then G is called a hyperenergetic graph. In this paper, we prove that all primitive strongly regular graphs except srg(5,2,0,1), srg(9,4,1,2), srg(10,3,0,1), and srg(16,5,0,2) are hyperenergetic. © 2011 Elsevier Ltd. All rights reserved.

Publication Date

12-1-2011

Publication Title

Applied Mathematics Letters

Volume

24

Issue

12

Number of Pages

1995-1997

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/j.aml.2011.05.026

Socpus ID

79961165679 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/79961165679

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