Le Groupe Quantique Compact Libre U(n)
Teodor Banica
Dec 1, 1997
Citations
172
Citations
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Journal
Communications in Mathematical Physics
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Key Takeaway Key Takeaway: The compact matrix quantum groups U(n) have irreducible representations and their fusion rules are related to Voiculescu's circular variable.
Abstract
Abstract:The free analogues of U(n) in Woronowicz' theory [Wo2] are the compact matrix quantum groups introduced by Wang and Van Daele. We classify here their irreducible representations. Their fusion rules turn to be related to the combinatorics of Voiculescu's circular variable. If we find an embedding , where Ao(F) is the deformation of SU(2) studied in [B2]. We use the representation theory and Powers' method for showing that the reduced algebras Au(F)red are simple, with at most one trace.
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