Fat Hoffman graphs with smallest eigenvalue at least −1 − τ

DOI10.26493/1855-3974.287.137zbMath1301.05221arXiv1111.7284OpenAlexW2952789398MaRDI QIDQ3191460

Yoshio Sano, Akihiro Munemasa

Publication date: 2 October 2014

Published in: Ars Mathematica Contemporanea (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1111.7284

zbMATH Keywords

line graphHoffman graphgraph eigenvaluespecial graph

Mathematics Subject Classification ID

Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50) Structural characterization of families of graphs (05C75) Graph operations (line graphs, products, etc.) (05C76)

Related Items (5)

Mixed graphs with smallest eigenvalue greater than \(- \frac{ \sqrt{ 5} + 1}{ 2} \) ⋮ Fat Hoffman graphs with smallest eigenvalue greater than \(-3\) ⋮ Edge-signed graphs with smallest eigenvalue greater than \(-2\) ⋮ Graphs with least eigenvalue \(-2\): ten years on ⋮ Recent progress on graphs with fixed smallest adjacency eigenvalue: a survey

Uses Software

• Magma

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