English

Joins of circulant matrices

Combinatorics 2022-06-13 v2 Dynamical Systems Representation Theory Spectral Theory

Abstract

We study the spectrum of the join of several circulant matrices. We apply our results to compute explicitly the spectrum of certain graphs obtained by joining several circulant graphs.

Keywords

Cite

@article{arxiv.2111.10059,
  title  = {Joins of circulant matrices},
  author = {Jacqueline Doan and Jan Minac and Lyle Muller and Tung T. Nguyen and Federico W. Pasini},
  journal= {arXiv preprint arXiv:2111.10059},
  year   = {2022}
}

Comments

To appear in Linear Algebra and Its Applications

R2 v1 2026-06-24T07:44:29.256Z