Hypertoric category O

Braden, Tom; Licata, Anthony; Proudfoot, Nicholas; Webster, Ben

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Hypertoric category O

Date

2012

Authors

Braden, Tom

Licata, Anthony

Proudfoot, Nicholas

Webster, Ben

Publisher

Academic Press

Abstract

We study the representation theory of the invariant subalgebra of the Weyl algebra under a torus action, which we call a "hypertoric enveloping algebra". We define an analogue of BGG category O for this algebra, and identify it with a certain category of