3j-symbol for the modular double of SLq(2,R) revisited
Abstract
Modular double of quantum group SLq(2,R) with |q|=1 has a series of selfadjoint irreducible representations parameterized by s. Ponsot and Teschner considered a decomposition of the tensor product of two representations into irreducibles. In our paper we give more detailed derivation and some new proofs.
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