Redundant generation in ${\mathrm{PSL}}_2\left({\mathbb{Q}}_p\right)$

Yair Glasner, Amit Levinson-Sela

Given a free group on $n$ generators, $F_n$, and a topological group $G$, $\mathrm{Aut}\left(F_n\right)$ acts on $\mathrm{Epi}\left(F_n,G\right)$, the set of homomorphi…