Sur le lemme fondamental pour les groupes unitaires

Preprint

18 December 2002

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.math/0212245

Abstract

Assuming the purity conjecture for the affine Springer fibers which has been formulated by Goresky, Kottwitz and MacPherson, we prove a geometric analog of the fundamental lemma for unitary groups. Our approach is similar to the one of Goresky, Kottwitz and MacPherson. Our main new ingredient is the link between affine Springer fibers and compactified Jacobians which is described in math.AG/0204109.

Keywords

LEMME FONDAMENTAL
GROUPES UNITAIRES
FONDAMENTAL POUR
LES GROUPES
POUR LES
KOTTWITZ
GORESKY
FIBERS

All Related Versions

Version 1, 2002-12-18, ArXiv

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