Graphs with the second signless Laplacian eigenvalue \(\leq 4\)

DOI10.1515/spma-2021-0152zbMath1479.05198OpenAlexW4200032008MaRDI QIDQ2076172

Stephen W. Drury

Publication date: 18 February 2022

Published in: Special Matrices (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1515/spma-2021-0152

zbMATH Keywords

signless Laplacian matrixsecond largest eigenvaluesignless Laplacianeigenvalues of a graphQ-eigenvalue

Mathematics Subject Classification ID

Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50)

Cites Work

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• On the extremal values of the second largest \(Q\)-eigenvalue
• Spectra of graphs
• On graphs whose second largest eigenvalue does not exceed \((\sqrt {5}-1)/2\)
• Graphs whose second largest signless Laplacian eigenvalue does not exceed \(2+\sqrt{2}\)
• Eigenvalue bounds for the signless laplacian

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