A stratification on the moduli of K3 surfaces in positive characteristic
Algebraic Geometry
2015-11-03 v1
Abstract
We review the results on the cycle classes of the strata defined by the height and the Artin invariant on the moduli of K3 surfaces in positive characteristic obtained in joint work with Katsura and Ekedahl. In addition we prove a new irreducibility result for these strata.
Keywords
Cite
@article{arxiv.1511.00345,
title = {A stratification on the moduli of K3 surfaces in positive characteristic},
author = {Gerard van der Geer},
journal= {arXiv preprint arXiv:1511.00345},
year = {2015}
}
Comments
16 pages; to appear in: Arbeitstagung Bonn 2013: In Memory of Friedrich Hirzebruch