| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4655335 | Journal of Combinatorial Theory, Series A | 2014 | 36 Pages |
Abstract
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.
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Discrete Mathematics and Combinatorics
Authors
Anna Felikson, Jessica Fintzen, Pavel Tumarkin,