Séminaires : Séminaire Groupes Réductifs et Formes Automorphes

Equipe(s) : fa, tn,
Responsables :Alexis Bouthier, Benoît Stroh
Email des responsables : alexis.bouthier@imj-prg.fr, benoit.stroh@imj-prg.fr
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Orateur(s) Colin BUSHNELL - ,
Titre To an effective local Langlands correspondence (joint work with Guy Henniart)
Date09/05/2011
Horaire10:30 à 11:30
Résume$F$ is a non-Archimedean local field and $n$ a positive integer. Let $\sigma$ be an irreducible, $n$-dimensional representation of the Weil group of $F$. Using an explicit method, we attach to $\sigma$ an irreducible cuspidal representation $N(\sigma)$ of $GL(n,F)$. The main result compares $N(\sigma)$ with the representation $L(\sigma)$ attached to $\sigma$ by the Langlands correspondence. The difference between $N(\sigma)$ and $L(\sigma)$ is, in a certain sense, uniform. This reveals some interesting arithmetic properties of the Langlands correspondence.
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