2 problems

Let $\mathbb{K}$ be a number field, and let $\tilde\Gamma\subseteq\overline{\mathbb{Q}}^\times$ be a subgroup of finite rank. Write $\tilde\Gamma^{\mathrm{div}}$ for its divisible…

Let $G$ be a connected algebraic group over a field $k$. Radical splitting conjecture. One has … This would follow from a positive answer to Tits's question of whether torsors unde…