The graphs cospectral with the pineapple graph

DOI10.1016/j.dam.2018.10.002zbMath1421.05065OpenAlexW2898194732WikidataQ129012439 ScholiaQ129012439MaRDI QIDQ2328092

Willem H. Haemers, Sezer Sorgun, Hatice Topcu

Publication date: 9 October 2019

Published in: Discrete Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.dam.2018.10.002

zbMATH Keywords

adjacency matrixcospectral graphsspectral characterizationpineapple graph

Mathematics Subject Classification ID

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

Related Items (7)

$Kite_{p+2,p}$ is determined by its Laplacian spectrum ⋮ On the spectra of generalized Fibonomial and Jacobsthal-binomial graphs ⋮ Spectral radii of friendship graphs and their connected induced subgraphs ⋮ On two problems related to anti-adjacency (eccentricity) matrix ⋮ A combinatorial formula for the Schur coefficients of chromatic symmetric functions ⋮ On graphs with exactly one anti-adjacency eigenvalue and beyond ⋮ Spectral determination of graphs with one positive anti-adjacency eigenvalue

Cites Work

• Unnamed Item
• On the spectral characterization of pineapple graphs
• Spectra of graphs
• Variable neighborhood search for extremal graphs. 16. Some conjectures related to the largest eigenvalue of a graph
• Three conjectures in extremal spectral graph theory

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