Characteristic cycles and decomposition numbers
Algebraic Geometry
2016-11-18 v3
Abstract
We observe that the characteristic cycle of a D-module gives bounds for decomposition numbers of intersection cohomology complexes.
Cite
@article{arxiv.1208.1198,
title = {Characteristic cycles and decomposition numbers},
author = {Kari Vilonen and Geordie Williamson},
journal= {arXiv preprint arXiv:1208.1198},
year = {2016}
}
Comments
7 pages, v3: final version