Normal Subgroup Theorem for groups acting on $\tilde A_2$-buildings
Group Theory
2025-10-09 v2
Abstract
Let be a group acting on with finite stabilizers and finite fundamental domain on a building of type . We prove that any non-trivial normal subgroup of is of finite index in .
Keywords
Cite
@article{arxiv.2310.13472,
title = {Normal Subgroup Theorem for groups acting on $\tilde A_2$-buildings},
author = {Uri Bader and Alex Furman and Jean Lécureux},
journal= {arXiv preprint arXiv:2310.13472},
year = {2025}
}