A geometric realization of the asymptotic affine Hecke algebra

Roman Bezrukavnikov, Ivan Karpov, Vasily Krylov

A key tool for the study of an affine Hecke algebra $\mathcal{H}$ is provided by Springer theory of the Langlands dual group via the realization of $\mathcal{H}$ as equivariant $K$…