Seminar Event Detail

RTG Seminar on Number Theory

Date:  Wednesday, January 12, 2022
Location:  Virtual (4:00 PM to 5:00 PM)

Title:  On Bessel functions for representations of finite general linear groups

Abstract:   In the 60s, Gel'fand defined a Bessel function associated with irreducible generic representations of GL(n, F_q). The Bessel function plays an important role in the representation theory of GL(n, F_q), and served as a key ingredient in the proof of the finite field analog of Jacquet's conjecture. However, the computation of explicit values of the Bessel function is difficult. In this talk, I'll explain a method based on gamma factors to compute values of the Bessel function. I will also explain a relation between some values of the Bessel function and Katz's generalized Kloosterman sheaves.


Speaker:  Elad Zelingher
Institution:  Yale University

Event Organizer:     


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