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Depth $0$ local Langlands and cohomology of stacks of global chtoucas
December 9, 2022 at 15:30 – 17:00 CET
Seminar on Arithmetic Geometry
Let $G$ be a split reductive group, $X$ a smooth proper curve over a finite field and $x \in X$ a place. Let $F_x$ the completion of the function field of $X$ at $x$. In this setting, Lafforgue and Genestier have constructed a semisimple local Langlands correspondence for $G(F_x)$ by geometric methods. In another direction, DeBacker and Reeder have constructed the depth $0$ part of a local Langlands correspondence by representation theoretic methods. In this talk, I will discuss some compatibility statement between the two constructions and explain the connection to global chtoucas over $X$.
Arnaud Eteve (ENS, Paris)
Zoom (Meeting-ID: 635 7328 0984, Password: smallest six digit prime)