Publication details for Pavel TumarkinFelikson, A., Fintzen, J. & Tumarkin, P. (2014). Reflection subgroups of odd-angled Coxeter groups. Journal of Combinatorial Theory, Series A 126: 92-127.
- Publication type: Journal Article
- ISSN/ISBN: 0097-3165, 1096-0899
- DOI: 10.1016/j.jcta.2014.04.008
- Keywords: Coxeter group, Reflection subgroup, Davis complex.
- Further publication details on publisher web site
- Durham Research Online (DRO) - may include full text
Author(s) from Durham
We give a criterion for a finitely generated odd-angled Coxeter group to have a proper finite index subgroup generated by reflections. The answer is given in terms of the least prime divisors of the exponents of the Coxeter relations.