2 problems

Let $\widehat{\Sigma}$ be the algebraic universal cover of a closed surface $\Sigma$, let $\ell$ be a base leaf, and let ${\sf M}(\widehat{\Sigma},\ell)$ be its mapping class group…

Let $\widehat{\Sigma}$ be the algebraic universal cover of a closed surface $\Sigma$, with Teichmüller space $\mathcal{T}(\widehat{\Sigma})$. Let ${\sf M}(\widehat{\Sigma},\ell)$ b…