Infinite $\frac{3}{2}$-generated groups
Abstract
Every finite simple group can be generated by two elements, and Guralnick and Kantor proved that, moreover, every nontrivial element is contained in a generating pair. Groups with this property are said to be -generated. Thompson's group was the first finitely presented infinite simple group to be discovered. The Higman--Thompson groups and the Brin--Thompson groups are two families of finitely presented groups that generalise . In this paper, we prove that all of the groups , and are -generated. As far as the authors are aware, the only previously known examples of infinite noncyclic -generated groups are the pathological Tarski monsters. We conclude with several open questions motivated by our results.
Keywords
Cite
@article{arxiv.1907.05498,
title = {Infinite $\frac{3}{2}$-generated groups},
author = {Casey Donoven and Scott Harper},
journal= {arXiv preprint arXiv:1907.05498},
year = {2020}
}
Comments
18 pages; to appear in Bull. Lond. Math. Soc