bernstein subalgebra 1casselman-shalika formula 1genericity criterion 1hecke algebras 1idempotents 1spherical representations 1
From the 1 of 2 linked papers with an AI index.
2 papers
math.RT2026
A Tale of Two Idempotents: Casselman-Shalika and Spherical Genericity
Yi Luo
The paper gives a self‑contained Hecke‑algebraic proof of the Casselman‑Shalika formula and Li’s genericity criterion for irreducible spherical representations of unramified groups…
math.RT2026
Iwahori component of the Gelfand--Graev representation for reductive groups
Yi Luo
Let be a connected reductive group over a -adic field , the unipotent radical of a minimal parabolic subgroup, a depth-zero non-degenerate character of , a…