Graphs with extremal energy should have a small number of distinct eigenvalues

zbMath1199.05213arXiv0710.5669MaRDI QIDQ3510382

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Publication date: 2 July 2008

Full work available at URL: https://arxiv.org/abs/0710.5669

zbMATH Keywords

Lagrange multipliersgraph eigenvaluesextremal energygraph energylarge number of distinct eigenvaluessmall number of distinct eigenvalues

Mathematics Subject Classification ID

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

Related Items (1)

Graphs with least eigenvalue \(-2\): ten years on

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