ℤ/����ℤ-graded Lie algebras and perverse sheaves, III: Graded double affine Hecke algebra

© 2018 American Mathematical Society. In this paper we construct representations of certain graded double affine Hecke algebras (DAHA) with possibly unequal parameters from geometry. More precisely, starting with a simple Lie algebra g together with a ℤ/mℤ-grading ⊕i∈ℤ/mℤ gi and a block of DG0 (gi)...

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Main Authors: Lusztig, George, Yun, Zhiwei
Other Authors: Massachusetts Institute of Technology. Department of Mathematics
Format: Article
Language:English
Published: American Mathematical Society (AMS) 2021
Online Access:https://hdl.handle.net/1721.1/135640
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author Lusztig, George
Yun, Zhiwei
author2 Massachusetts Institute of Technology. Department of Mathematics
author_facet Massachusetts Institute of Technology. Department of Mathematics
Lusztig, George
Yun, Zhiwei
author_sort Lusztig, George
collection MIT
description © 2018 American Mathematical Society. In this paper we construct representations of certain graded double affine Hecke algebras (DAHA) with possibly unequal parameters from geometry. More precisely, starting with a simple Lie algebra g together with a ℤ/mℤ-grading ⊕i∈ℤ/mℤ gi and a block of DG0 (gi) as introduced in [J. Represent. Theory 21 (2017), pp. 277-321], we attach a graded DAHA and construct its action on the direct sum of spiral inductions in that block. This generalizes results of Vasserot [Duke Math J. 126 (2005), pp. 251-323] and Oblomkov- Yun [Adv. Math 292 (2016), pp. 601-706] which correspond to the case of the principal block.
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spelling mit-1721.1/1356402023-12-14T15:43:10Z ℤ/����ℤ-graded Lie algebras and perverse sheaves, III: Graded double affine Hecke algebra Lusztig, George Yun, Zhiwei Massachusetts Institute of Technology. Department of Mathematics © 2018 American Mathematical Society. In this paper we construct representations of certain graded double affine Hecke algebras (DAHA) with possibly unequal parameters from geometry. More precisely, starting with a simple Lie algebra g together with a ℤ/mℤ-grading ⊕i∈ℤ/mℤ gi and a block of DG0 (gi) as introduced in [J. Represent. Theory 21 (2017), pp. 277-321], we attach a graded DAHA and construct its action on the direct sum of spiral inductions in that block. This generalizes results of Vasserot [Duke Math J. 126 (2005), pp. 251-323] and Oblomkov- Yun [Adv. Math 292 (2016), pp. 601-706] which correspond to the case of the principal block. 2021-10-27T20:24:24Z 2021-10-27T20:24:24Z 2018 2019-11-14T18:55:19Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/135640 en 10.1090/ERT/515 Representation Theory of the American Mathematical Society Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Mathematical Society (AMS) American Mathematical Society
spellingShingle Lusztig, George
Yun, Zhiwei
ℤ/����ℤ-graded Lie algebras and perverse sheaves, III: Graded double affine Hecke algebra
title ℤ/����ℤ-graded Lie algebras and perverse sheaves, III: Graded double affine Hecke algebra
title_full ℤ/����ℤ-graded Lie algebras and perverse sheaves, III: Graded double affine Hecke algebra
title_fullStr ℤ/����ℤ-graded Lie algebras and perverse sheaves, III: Graded double affine Hecke algebra
title_full_unstemmed ℤ/����ℤ-graded Lie algebras and perverse sheaves, III: Graded double affine Hecke algebra
title_short ℤ/����ℤ-graded Lie algebras and perverse sheaves, III: Graded double affine Hecke algebra
title_sort z ����z graded lie algebras and perverse sheaves iii graded double affine hecke algebra
url https://hdl.handle.net/1721.1/135640
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AT yunzhiwei zzgradedliealgebrasandperversesheavesiiigradeddoubleaffineheckealgebra