A note on the eigenvalue free intervals of some classes of signed threshold graphs

DOI10.1515/spma-2019-0014zbMath1431.05098OpenAlexW2994898648WikidataQ126544468 ScholiaQ126544468MaRDI QIDQ2302873

Tamara Koledin, Milica Anđelić, Zoran Stanić

Publication date: 26 February 2020

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

Full work available at URL: https://doi.org/10.1515/spma-2019-0014

zbMATH Keywords

tridiagonal matrixsigned graphthreshold grapheigenvalue interval

Mathematics Subject Classification ID

Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50) Signed and weighted graphs (05C22)

Cites Work

• Unnamed Item
• Eigenvalues and energy in threshold graphs
• Sufficient conditions for positive definiteness of tridiagonal matrices revisited
• Spectra of graphs
• Spectral characterizations of anti-regular graphs
• Threshold graphs and related topics
• Eigenvalue-free interval for threshold graphs
• Eigenvalue location in threshold graphs
• Conditions for the positivity of determinants
• Eigenvalue-free intervals of distance matrices of threshold and chain graphs
• Inequalities for Graph Eigenvalues

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