2 problems

Let $\mathfrak a_{\mathbb R}^{*,+}$ be the positive dual cone, let $\overline{\mathfrak a_{\mathbb R}^{*,+}}$ be its closure, and let…

Let $G$ be the reductive group, $\Gamma$ the arithmetic subgroup, $A$ the split torus, and $A^-$ its negative chamber. Let $\hat G_{\rm adm}$ denote the admissible dual, let…