Fibres de Springer et jacobiennes compactifiees
代数几何
2007-05-23 v2 表示论
摘要
We identify, up to homeomorphisms, the affine Springer fibers for GL(n) on a local field of equal characteristics with some coverings of compactified jacobians of singular projective curves. This allows us to prove an irreducibility property of these affine Springer fibers and to deform them.
引用
@article{arxiv.math/0204109,
title = {Fibres de Springer et jacobiennes compactifiees},
author = {Gerard Laumon},
journal= {arXiv preprint arXiv:math/0204109},
year = {2007}
}
备注
plain tex, 62 pages, in French; some material on the geometric fundamental lemma has been added