Venue
Department of Mathematics, Aula Magna.
Abstract
We will construct the Lafforgue variety, a parametrizing space for the smooth irreducible representations of a $p$-adic reductive group $G(F)$. Our main tools will be Hecke algebras and a noncommutative version of the Hilbert scheme. The Lafforgue variety comes equipped with a finite projection to the Bernstein variety, which is a bijection outside the locus of a regular function that we call discriminant, generalizing the classical discriminant of algebraic number theory to a non-commutative setting. As an application, we study the irreducibility of induced representations and recover classical results in the case of principal series.
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