A short remark on graphs with two main eigenvalues

Lihua Feng, Lu Lu and Dragan Stevanović

Applied Mathematics and Computation, 2020, vol. 369, issue C

Abstract: We give a short proof of a conjecture on graphs with two main eigenvalues posed by Réti in [Applied Mathematics and Computation 344–345 (2019), 107–115].

Keywords: Main eigenvalue; Graph complement; Number of walks (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:369:y:2020:i:c:s0096300319308501

DOI: 10.1016/j.amc.2019.124858

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