{ "id": "1303.3487", "version": "v2", "published": "2013-03-14T15:56:49.000Z", "updated": "2013-11-05T18:22:36.000Z", "title": "A geometric construction of generalized q-Schur algebras", "authors": [ "Stephen Doty", "Yiqiang Li" ], "comment": "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" ], "abstract": "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.", "revisions": [ { "version": "v2", "updated": "2013-11-05T18:22:36.000Z" } ], "analyses": { "subjects": [ "20G43", "17B37" ], "keywords": [ "generalized q-schur algebras", "geometric construction", "nakajimas lagrangian quiver variety", "highest weight", "parameterization" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2013arXiv1303.3487D" } } }