3 problems

Intersection-cohomology stalk conjecture. Its stalk at $(\phi,\underline{c},\underline{s})$ is isomorphic to

Let $|1^d\rangle=[\mathcal U_G^d]$ be the fundamental class in equivariant intersection cohomology, and let $\widetilde W^{(\kappa)}_n$ denote the positive modes of the generators…

Let $\cal G$ be an affine Lie algebra with connected Dynkin diagram, let $\cal G^{\vee}$ be its Langlands dual, and let $G_{\cal G^{\vee}}$ be the semisimple simply connected group…