Kumar's criterion modulo p
Algebraic Geometry
2015-01-14 v1 Representation Theory
Abstract
We prove that equivariant multiplicities may be used to determine whether attractive fixed points on T-varieties are p-smooth. This gives a combinatorial criterion for the determination of the p-smooth locus of Schubert varieties for all primes p.
Cite
@article{arxiv.1201.5341,
title = {Kumar's criterion modulo p},
author = {Daniel Juteau and Geordie Williamson},
journal= {arXiv preprint arXiv:1201.5341},
year = {2015}
}
Comments
20 pages, 1 TiKZ figure. DVI may not display correctly, PDF is preferred