An alternative construction of zip period maps for Shimura varieties
Algebraic Geometry
2021-09-03 v1 Number Theory
Abstract
Let be the special fibre of a Shimura variety of Hodge type, with good reduction at a place above . We give an alternative construction of the zip period map for , which is used to define the Ekedahl-Oort strata of . The method employed is local, -adic, and group-theoretic in nature.
Keywords
Cite
@article{arxiv.2109.01008,
title = {An alternative construction of zip period maps for Shimura varieties},
author = {Qijun Yan},
journal= {arXiv preprint arXiv:2109.01008},
year = {2021}
}
Comments
28 pages