2 problems

Generalized Iwahori filtration conjecture. The space of functions $\Bbbk[\mathbf I]$ admits a filtration whose associated graded space is isomorphic to

Let $A=\mathcal R_{k,\ell}$ for some $k,\ell\in\mathbb Z_+$. For $\bos=(s_1,\ldots,s_n)\in\mathbb Z_+^n$, let $W_A(\bos)$ denote the corresponding global Weyl module, and let $P^+$…