English

Bounds on connective constants of regular graphs

Combinatorics 2013-05-02 v2 Mathematical Physics math.MP Probability

Abstract

Bounds are proved for the connective constant \mu\ of an infinite, connected, \Delta-regular graph G. The main result is that \mu\ \ge \sqrt{\Delta-1} if G is vertex-transitive and simple. This inequality is proved subject to weaker conditions under which it is sharp.

Keywords

Cite

@article{arxiv.1210.6277,
  title  = {Bounds on connective constants of regular graphs},
  author = {Geoffrey R. Grimmett and Zhongyang Li},
  journal= {arXiv preprint arXiv:1210.6277},
  year   = {2013}
}

Comments

v2: small fix applied to Thm 3.2

R2 v1 2026-06-21T22:26:33.695Z