Schubert varieties and finite free resolutions of length three
Commutative Algebra
2021-04-20 v1 Algebraic Geometry
Abstract
In this paper we describe the relationship between the finite free resolutions of perfect ideals in split format (for Dynkin formats) and certain intersections of opposite Schubert varieties with the big cell for homogeneous spaces where is a maximal parabolic subgroup.
Keywords
Cite
@article{arxiv.2005.01253,
title = {Schubert varieties and finite free resolutions of length three},
author = {Steven V Sam and Jerzy Weyman},
journal= {arXiv preprint arXiv:2005.01253},
year = {2021}
}
Comments
12 pages; Dedicated to Laurent Gruson with thanks for his guidance and friendship