2 problems

Let $E$ be a Courant algebroid with a pair of transversal Dirac structures $L,L'\subset E$. Assume that $E$ reduces to $E_r$ and that $L$ and $L'$ reduce to Dirac structures…

Let $A$ be an absolutely simple abelian variety over a number field $K$. Let $\mathcal V$ be the set of finite places $v$ of $K$ for which $A$ has good reduction and…