Word problem and parabolic subgroups in Dyer groups

Author:

Paris Luis1,Soergel Mireille2

Affiliation:

1. IMB, UMR 5584, CNRS Université de Bourgogne Dijon France

2. Mathematics Department ETH Zürich Zurich Switzerland

Abstract

AbstractOne can observe that Coxeter groups and right‐angled Artin groups share the same solution to the word problem. On the other hand, in his study of reflection subgroups of Coxeter groups, Dyer introduces a family of groups, which we call Dyer groups, which contains both, Coxeter groups and right‐angled Artin groups. We show that all Dyer groups have this solution to the word problem, we show that a group which admits such a solution belongs to a little more general family of groups that we call quasi‐Dyer groups, and we show that this inclusion is strict. Then we show several results on parabolic subgroups in quasi‐Dyer groups and in Dyer groups. Notably, we prove that any intersection of parabolic subgroups in a Dyer group of finite type is a parabolic subgroup.

Funder

Agence Nationale de la Recherche

Publisher

Wiley

Subject

General Mathematics

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. A generalization of the Davis–Moussong complex for Dyer groups;Journal of Combinatorial Algebra;2024-02-11

2. The spherical growth series of Dyer groups;Proceedings of the Edinburgh Mathematical Society;2023-12-21

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