An Improper Surface Group Action
Group Theory
2025-12-24 v1 Geometric Topology
Abstract
In 1999, Long and Reid proposed a proper action of a surface group on a product of trees. In this note, we show that the action is not proper.
Cite
@article{arxiv.2512.19760,
title = {An Improper Surface Group Action},
author = {Nic Brody},
journal= {arXiv preprint arXiv:2512.19760},
year = {2025}
}