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Abstract
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We prove a Schur–Weyl duality between the quantum enveloping algebra of
and certain quotient algebras of Ariki–Koike algebras, which we describe
explicitly. This duality involves several algebraically independent parameters
and the module underlying it is a tensor product of a parabolic universal
Verma module and a tensor power of the standard representation of
. We
also give a new presentation by generators and relations of the generalized blob
algebras of Martin and Woodcock as well as an interpretation in terms of
Schur–Weyl duality by showing they occur as a special case of our algebras.
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Keywords
Schur–Weyl duality, Verma modules, Ariki–Koike algebras
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Mathematical Subject Classification
Primary: 20C08, 20G42
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Milestones
Received: 14 April 2020
Revised: 12 January 2021
Accepted: 27 January 2021
Published: 17 March 2021
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