English

Microlocal KZ functors and rational Cherednik algebras

Representation Theory 2019-12-19 v3 Algebraic Geometry

Abstract

Following the work of Kashiwara-Rouquier and Gan-Ginzburg, we define a family of exact functors from category O\mathcal O for the rational Cherednik algebra in type AA to representations of certain "coloured braid groups" and calculate the dimensions of the representations thus obtained from standard modules. To show that our constructions also make sense in a more general context, we also briefly study the case of the rational Cherednik algebra corresponding to complex reflection group Z/lZ\mathbb Z/l\mathbb Z.

Keywords

Cite

@article{arxiv.1006.1599,
  title  = {Microlocal KZ functors and rational Cherednik algebras},
  author = {Kevin McGerty},
  journal= {arXiv preprint arXiv:1006.1599},
  year   = {2019}
}

Comments

Revised to improve exposition, giving more details on the construction of the microlocal local systems and providing background information on twisted D-modules in an appendix

R2 v1 2026-06-21T15:33:30.808Z