English

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.

Keywords

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

R2 v1 2026-06-21T21:46:52.719Z