2 problems

Let $k$ be a global field, let $A$ be an abelian variety over $k$, and let $X\subset A$ be a closed subvariety. Assume that $A_{\overline{k}}$ has no positive-dimensional isotrivia…

Let $k$ be a global function field, let $A$ be an abelian variety over $k$, and let $X$ be a closed subvariety of $A$. Write $\overline{X(k)}$ and $\overline{A(k)}$ for the respect…