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arXiv 1003.2278math.OAmath.QA
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局部紧量子群余表示矩阵系数的模性质

Modular properties of matrix coefficients of corepresentations of a locally compact quantum group

Martijn Caspers, Erik Koelink

摘要:

给出了Kustermans和Vaes意义下量子群的余表示的模算符和模共轭的矩阵系数公式。因此,幺模量子群的模自同态群可以用矩阵系数表示。作为应用,我们确定了SU(1,1)正规化子在$SL(2,\mathbb{C}$中的量子群模拟的Duflo-Moore算符.

英文摘要:

We give a formula for the modular operator and modular conjugation in terms of matrix coefficients of corepresentations of a quantum group in the sense of Kustermans and Vaes. As a consequence, the modular autmorphism group of a unimodular quantum group can be expressed in terms of matrix coefficients. As an application, we determine the Duflo-Moore operators for the quantum group analogue of the normaliser of SU(1,1) in $SL(2,\mathbb{C}$).

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