2 problems

Let ${\rm G}$ be a classical group, let $\mathfrak{Z}_{{\rm G},\overline{\mathbb{Z}}[1/p]}^{\operatorname{st}}$ denote the stable center, and let $\mathcal{EP}({\rm G})$ be the set…

Let $({\rm G},h)$ be an inner form of a general linear group or of a classical group with $p eq 2$, and let $frak{t}$ be an endo-parameter for ${rm G}$. Let ${rm R}$ be an integral…