Given two Coxeter groups $W(\Gamma)$ and $W(\gamma)$ of equal rank and their Artin groups $A(\Gamma)$ and $A(\gamma)$, is $W(\Gamma)\supset W(\gamma)$ equivalent to $A(\Gamma)\supset A(\gamma)$?
Coxeter subgroups of Coxeter groups vs Artin subgroups of Artin groups
Daniel Sebald
- 2.8k
- 6
- 19