Spherical two-distance sets and eigenvalues of signed graphs

DOI10.1007/s00493-023-00002-1arXiv2006.06633OpenAlexW4385066789MaRDI QIDQ6057494

Shengtong Zhang, Yuan Yao, Yufel Zhao, Zilin Jiang, Jonathan Tidor

Publication date: 4 October 2023

Published in: Combinatorica (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2006.06633

zbMATH Keywords

signed grapheigenvalue multiplicityspherical two-distance set

Mathematics Subject Classification ID

Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50) Arrangements of points, flats, hyperplanes (aspects of discrete geometry) (52C35) Ramsey theory (05D10)

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