On BGG resolutions of unitary modules for quiver Hecke and Cherednik algebras

Author:

Bowman C.,Norton E.,Simental J.

Abstract

AbstractWe provide a homological construction of unitary simple modules of Cherednik and Hecke algebras of type A via BGG resolutions, solving a conjecture of Berkesch–Griffeth–Sam. We vastly generalize the conjecture and its solution to cyclotomic Cherednik and Hecke algebras over arbitrary ground fields, and calculate the Betti numbers and Castelnuovo–Mumford regularity of certain symmetric linear subspace arrangements.

Funder

Max Planck Institute for Mathematics

Publisher

Springer Science and Business Media LLC

Subject

General Physics and Astronomy,General Mathematics

Reference65 articles.

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5. Bowman, C.: The many graded cellular bases of Hecke algebras, to appear in Amer. J. Math. arXiv:1702.06579

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