English

Rapid expansion in finite simple groups

Group Theory 2015-10-14 v1

Abstract

We show that small normal subsets AA of finite simple groups expand very rapidly -- namely, A2A2ϵ|A^2| \ge |A|^{2-\epsilon}, where ϵ>0\epsilon >0 is arbitrarily small.

Keywords

Cite

@article{arxiv.1510.03740,
  title  = {Rapid expansion in finite simple groups},
  author = {Martin W. Liebeck and Gili Schul and Aner Shalev},
  journal= {arXiv preprint arXiv:1510.03740},
  year   = {2015}
}
R2 v1 2026-06-22T11:19:14.867Z