A note on the generalized adjacency, Laplacian and signless Laplacian spectra of the weighted edge corona networks

Abhigyan Mahanta, Idweep Jyoti Gogoi and A. Bharali

Physica A: Statistical Mechanics and its Applications, 2021, vol. 581, issue C

Abstract: Recently, Liu et al. (2020) have defined a class of the weighted edge corona networks and tried to obtain the generalized adjacency, Laplacian and signless Laplacian spectra. However, the spectra have been found to be prone to some errors and as a result we arrive at some unwanted consequences such as “non-singular” Laplacian, “imaginary” eigenvalues of undirected graphs. In this comment, we report the correct versions of adjacency, Laplacian and signless Laplacian spectra of weighted edge corona networks.

Keywords: Weighted edge corona networks; Generalized adjacency matrix; Laplacian spectra; Signless Laplacian spectra (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:581:y:2021:i:c:s0378437121005148

DOI: 10.1016/j.physa.2021.126241

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