English

Two characterizations of the grid graphs

Combinatorics 2021-08-03 v2

Abstract

In this paper we give two characterizations of the p×qp \times q-grid graphs as co-edge-regular graphs with four distinct eigenvalues.

Keywords

Cite

@article{arxiv.2103.02428,
  title  = {Two characterizations of the grid graphs},
  author = {Brhane Gebremichel and Meng-Yue Cao and Jack H. Koolen},
  journal= {arXiv preprint arXiv:2103.02428},
  year   = {2021}
}

Comments

18 pages, 1 table

R2 v1 2026-06-23T23:42:44.649Z