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arXiv:1303.3487 [math.RT]AbstractReferencesReviewsResources

A geometric construction of generalized q-Schur algebras

Stephen Doty, Yiqiang Li

Published 2013-03-14, updated 2013-11-05Version 2

We show that the algebras constructed in [Li10] and [Li12] are generalized q-Schur algebras as defined in [D03]. This provides a geometric construction of generalized q-Schur algebras in types A, D and E. We give a parameterization of Nakajima's Lagrangian quiver variety of type D associated to a certain highest weight.

Comments: Typos corrected. Final version. To appear in the Proceedings of the AMS Special Sessions on Geometric and Algebraic Aspects of Representation Theory and Quantum Groups and Noncommutative Algebraic Geometry
Categories: math.RT, math.QA
Subjects: 20G43, 17B37
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