Signed graphs with exactly two distinct main eigenvalues

DOI10.1016/J.LAA.2024.04.025zbMATH Open1540.05069MaRDI QIDQ6544509

Zenan Du, Lihua You, Xiying Yuan, Hechao Liu

Publication date: 27 May 2024

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

zbMATH Keywords

treesigned graphmain eigenvaluemulti-graphwalk-matrix

Mathematics Subject Classification ID

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

Cites Work

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• A short remark on graphs with two main eigenvalues
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• Controllable graphs with least eigenvalue at least -2
• Main eigenvalues of real symmetric matrices with application to signed graphs
• Further results on almost controllable graphs
• Almost controllable graphs and beyond

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