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Liouville bootstrap via harmonic analysis on a noncompact quantum group

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arxiv hep-th/9911110 v2 pith:SOYHU6TO submitted 1999-11-15 hep-th math.QA

Liouville bootstrap via harmonic analysis on a noncompact quantum group

classification hep-th math.QA
keywords bootstrapfusionsolutionassumptionscertaincoefficientsequationsgroup
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The purpose of this short note is to announce results that amount to a verification of the bootstrap for Liouville theory in the generic case under certain assumptions concerning existence and properties of fusion transformations. Under these assumptions one may characterize the fusion and braiding coefficients as solutions of a system of functional equations that follows from the combination of consistency requirements and known results. This system of equations has a unique solution for irrational central charge c>25. The solution is constructed by solving the Clebsch-Gordan problem for a certain continuous series of quantum group representations and constructing the associated Racah-coefficients. This gives an explicit expression for the fusion coefficients. Moreover, the expressions can be continued into the strong coupling region 1<c<25, providing a solution of the bootstrap also for this region.

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