Rotation groups virtually embed into right-angled rotation groups
arXiv:2404.15652 · doi:10.4153/S0008414X25101107
Abstract
It is a theorem due to F. Haglund and D. Wise that reflection groups (aka Coxeter groups) virtually embed into right-angled reflection groups (aka right-angled Coxeter groups). In this article, we generalise this observation to rotation groups, which can be thought of as a common generalisation of Coxeter groups and graph products of groups. More precisely, we prove that rotation groups (aka periagroups) virtually embed into right-angled rotation groups (aka graph products of groups).
26 pages, 4 figures. Comments are welcome!