3 problems

Let $A'$ denote one of the commutator subgroups considered in the paper, including the cases where the commutator subgroup is not covered by the preceding argument, such as…

Let $A$ be an irreducible Artin-Tits group of spherical type acting on the additional length graph $\mathcal{C}_{AL}$, and let $G\leq A$ be a subgroup with generating system $S$. W…

Let $G$ be a hyperbolic group with a finite generating set $d4a2$, let $X$ be its Cayley graph, and let $d4a5$ be the language of words over $d4a2^{\pm 1}$ in which every subword o…