English

Cyclotomic matrices over the Eisenstein and Gaussian integers

Number Theory 2013-09-10 v2

Abstract

We classify all cyclotomic matrices over the Eisenstein and Gaussian integers, that is, all Hermitian matrices over the Eisenstein and Gaussian integers that have all their eigenvalues in the interval [-2, 2].

Keywords

Cite

@article{arxiv.1102.1555,
  title  = {Cyclotomic matrices over the Eisenstein and Gaussian integers},
  author = {Gary Greaves},
  journal= {arXiv preprint arXiv:1102.1555},
  year   = {2013}
}

Comments

24 pages

R2 v1 2026-06-21T17:23:12.536Z