Representation of signed graphs by root system \(E_ 8\)

DOI10.1007/BF02986689zbMath0821.05040OpenAlexW1972448352MaRDI QIDQ1343233

G. R. Vijayakumar

Publication date: 1 February 1995

Published in: Graphs and Combinatorics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf02986689

zbMATH Keywords

adjacency matrixroot systemGram matrixsigraphminimal forbidden sigraphs

Mathematics Subject Classification ID

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

Cites Work

• Signed graphs represented by \(D_{\infty}\)
• Graphs with eigenvalues at least - 2
• Line graphs, root systems, and elliptic geometry
• A characterization of signed graphs represented by root system \(D_ \infty\)
• Generalized line graphs
• Exceptional graphs with smallest eigenvalue -2 and related problems
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