Tits groups of Iwahori-Weyl groups and presentations of Hecke algebras

Radhika Ganapathy, Xuhua He

Let $G$ be a connected reductive group over a non-archimedean local field $F$ and $I$ be an Iwahori subgroup of $G(F)$. Let $I_n$ is the $n$-th Moy-Prasad filtration subgroup of $I…