Transformation de Fourier homogene
Algebraic Geometry
2007-05-23 v1
Abstract
In their proof of the Drinfeld-Langlands correspondence, Frenkel, Gaitsgory and Vilonen make use of a geometric Fourier transformation. Therefore, they work either with l-adic sheaves in characteristic p>0, or with D-modules in characteristic 0. Actually, they only need to consider the Fourier transforms of homogeneous sheaves for which one expects a uniform geometric construction in any characteristic. In this note, we propose such a homogeneous geometric Fourier transformation. It extends the geometric Radon transformation which has been studied by Brylinski.
Cite
@article{arxiv.math/0207129,
title = {Transformation de Fourier homogene},
author = {Gerard Laumon},
journal= {arXiv preprint arXiv:math/0207129},
year = {2007}
}
Comments
plain tex, 25 pages, in French