Equiangular lines and eigenvalue multiplicities
Combinatorics
2024-10-29 v1
Abstract
Expository article on the problem of determining the maximum number of equiangular lines with a fixed angle, and the associated problem of second eigenvalue multiplicity in graphs.
Cite
@article{arxiv.2410.20738,
title = {Equiangular lines and eigenvalue multiplicities},
author = {Yufei Zhao},
journal= {arXiv preprint arXiv:2410.20738},
year = {2024}
}
Comments
Invited feature article in the Notices of the American Mathematical Society