Mapping class groups of exotic tori and actions by ${\mathrm{SL}}_d(\mathbb{Z})$

Mauricio Bustamante, Manuel Krannich, Alexander Kupers +1

We determine for which exotic tori $\mathcal{T}$ of dimension $d\ne 4$ the homomorphism from the group of isotopy classes of orientation-preserving diffeomorphisms of $\mathcal{T}$…