English

Right-angled Coxeter groups with non-planar boundary

Geometric Topology 2019-02-07 v1 Group Theory

Abstract

We investigate the planarity of the boundaries of right-angled Coxeter groups. We show that non-planarity of the defining graph does not necessarily imply non-planarity of every boundary of the associated right-angled Coxeter group, although it does in many cases. Our techniques yield a characterization of the triangle-free defining graphs such that the associated right-angled Coxeter group has boundary a Menger curve.

Keywords

Cite

@article{arxiv.1902.01029,
  title  = {Right-angled Coxeter groups with non-planar boundary},
  author = {Pallavi Dani and Matthew Haulmark and Genevieve Walsh},
  journal= {arXiv preprint arXiv:1902.01029},
  year   = {2019}
}
R2 v1 2026-06-23T07:31:02.387Z