3j-symbol for the modular double of SL_q(2,R) revisited
classification
🧮 math-ph
hep-thmath.MP
keywords
doublemodularrepresentationsconsidereddecompositionderivationdetailedgive
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Modular double of quantum group SL_q(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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