A dimension formula for Ekedahl-Oort strata
Algebraic Geometry
2007-05-23 v1
Abstract
We study the Ekedahl-Oort stratification on moduli spaces of PEL type. The strata are indexed by cosets in a Weyl group. The main result of this paper is that the dimension of a stratum equals the length of the corresponding Weyl group element. We also discuss some explicit examples.
Cite
@article{arxiv.math/0208161,
title = {A dimension formula for Ekedahl-Oort strata},
author = {Ben Moonen},
journal= {arXiv preprint arXiv:math/0208161},
year = {2007}
}
Comments
Plain TeX, 23 pages, 5 postscript figures; this is a completely revised version of results that were earlier included in math.AG/0203288