Summer School on the Langlands Program

Collection Summer School on the Langlands Program

Organizer(s) Pierre-Henri Chaudouard, Wee Teck Gan, Tasho Kaletha, Yiannis Sakellaridis

Date(s) 11/07/2022 - 29/07/2022

linked URL https://indico.math.cnrs.fr/event/6909/

00:00:00 / 00:00:00

26 58

A Brief Introduction to the Trace Formula and its Stabilization (2/2)

By Tasho Kaletha

We will discuss the derivation of the stable Arthur-Selberg trace formula. In the first lecture we will focus on anisotropic reductive groups, for which the trace formula can be derived easily. We will then discuss the stabilization of this trace formula, which is unconditional on the geometric side, and relies on the Arthur conjectures on the spectral side. In the second lecture we will sketch the case of an arbitrary reductive group, which causes many analytic difficulties. We will briefly describe the various stops on the road to the stable trace formula, including the coarse and fine expansions of the non-invariant trace formula, as well the invariant trace formula. Examples will be given for the group SL_2. Towards the end, we will discuss the application of the stable trace formula to the classification of representations of classical groups.

Information about the video

Date of recording 19/07/2022
Date of publication 19/07/2022
Institution IHES
Language English
Audience Researchers, Graduate Students
Format MP4

Domain(s)

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