2 problems

Let $\textnormal{S}_{\alpha}$ be a stratum of abelian differentials up to scaling, let $\widetilde{\textnormal{S}_{\alpha}^{\mathrm{an}}}$ be the universal cover of its analytifica…

Let $\textnormal{S}_{\alpha}$ be a stratum of abelian differentials up to scaling, equipped with its bi-algebraic structure. A subvariety is linear if it is defined by linear equat…