On fat Hoffman graphs with smallest eigenvalue at least \(-3\). II

DOI10.1016/J.LAA.2017.11.019zbMath1385.05049OpenAlexW2774761556MaRDI QIDQ1747285

Jack H. Koolen, Qianqian Yang, Yan-Ran Li

Publication date: 4 May 2018

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

Full work available at URL: https://doi.org/10.1016/j.laa.2017.11.019

zbMATH Keywords

weighted graphssmallest eigenvalueintegral representationsHoffman graphsgeneric Hoffman graphs

Mathematics Subject Classification ID

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

Related Items (1)

Recent progress on graphs with fixed smallest adjacency eigenvalue: a survey

Cites Work

• Unnamed Item
• Line graphs, root systems, and elliptic geometry
• A generalization of a theorem of Hoffman
• On graphs whose smallest eigenvalue is at least \(-1-\sqrt 2\)
• On fat Hoffman graphs with smallest eigenvalue at least -3

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