Global crystal bases for integrable modules over a quantum symmetric pair of type AIII

In this paper, we study basic properties of global ȷ \jmath -crystal bases for integrable modules over a quantum symmetric pair coideal subalgebra U ȷ \mathbf {U}^{\jmath } associated to the Satake diagram of type AIII without black nodes. Also, we obtain an intrinsic characterization of the ȷ \jmat...

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Veröffentlicht in:Representation theory 2021-01, Vol.25 (2), p.27-66
1. Verfasser: Watanabe, Hideya
Format: Artikel
Sprache:eng
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Zusammenfassung:In this paper, we study basic properties of global ȷ \jmath -crystal bases for integrable modules over a quantum symmetric pair coideal subalgebra U ȷ \mathbf {U}^{\jmath } associated to the Satake diagram of type AIII without black nodes. Also, we obtain an intrinsic characterization of the ȷ \jmath -crystal bases, whose original definition is artificial.
ISSN:1088-4165
1088-4165
DOI:10.1090/ert/556