D-chtoucas de Drinfeld \`a modifications sym\'etriques et identit\'e de changement de base
Algebraic Geometry
2007-05-23 v4 Representation Theory
Abstract
We give a new proof of the base change fundamental lemma for GL_n for certain Hecke functions by comparing the cohomology of two different moduli space of -shtukas. The original proof, due to Clozel and Labesse, make use of the trace formula and of the unit case due to Kottwitz.
Cite
@article{arxiv.math/0312181,
title = {D-chtoucas de Drinfeld \`a modifications sym\'etriques et identit\'e de changement de base},
author = {Ngô Bao Châu},
journal= {arXiv preprint arXiv:math/0312181},
year = {2007}
}
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published version