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- Publisher Website: 10.1016/j.aim.2016.03.002
- Scopus: eid_2-s2.0-84960349086
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Article: Duality for Ext-groups and extensions of discrete series for graded Hecke algebras
Title | Duality for Ext-groups and extensions of discrete series for graded Hecke algebras |
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Authors | |
Keywords | Discrete series Extensions Graded Hecke algebras Indecomposable modules |
Issue Date | 2016 |
Citation | Advances in Mathematics, 2016, v. 294, p. 410-453 How to Cite? |
Abstract | In this paper, we study extensions of graded affine Hecke algebra modules. In particular, based on an explicit projective resolution on graded affine Hecke algebra modules, we prove a duality result for Ext-groups. This duality result with an Ind-Res resolution gives an algebraic proof of the fact that all higher Ext-groups between a tempered module and a discrete series vanish. |
Persistent Identifier | http://hdl.handle.net/10722/327088 |
ISSN | 2023 Impact Factor: 1.5 2023 SCImago Journal Rankings: 2.022 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Chan, Kei Yuen | - |
dc.date.accessioned | 2023-03-31T05:28:43Z | - |
dc.date.available | 2023-03-31T05:28:43Z | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | Advances in Mathematics, 2016, v. 294, p. 410-453 | - |
dc.identifier.issn | 0001-8708 | - |
dc.identifier.uri | http://hdl.handle.net/10722/327088 | - |
dc.description.abstract | In this paper, we study extensions of graded affine Hecke algebra modules. In particular, based on an explicit projective resolution on graded affine Hecke algebra modules, we prove a duality result for Ext-groups. This duality result with an Ind-Res resolution gives an algebraic proof of the fact that all higher Ext-groups between a tempered module and a discrete series vanish. | - |
dc.language | eng | - |
dc.relation.ispartof | Advances in Mathematics | - |
dc.subject | Discrete series | - |
dc.subject | Extensions | - |
dc.subject | Graded Hecke algebras | - |
dc.subject | Indecomposable modules | - |
dc.title | Duality for Ext-groups and extensions of discrete series for graded Hecke algebras | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.aim.2016.03.002 | - |
dc.identifier.scopus | eid_2-s2.0-84960349086 | - |
dc.identifier.volume | 294 | - |
dc.identifier.spage | 410 | - |
dc.identifier.epage | 453 | - |
dc.identifier.eissn | 1090-2082 | - |
dc.identifier.isi | WOS:000374207300009 | - |