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Geometric Properties of W-Algebras and the Toda model
Authors:Apikyan  S A  Barsamian  M H  Efthimiou  C J
Institution:(1) Theoretical Physics Department, Yerevan State University, Yerevan, Armenia;(2) Department of Mathematics, State University of New York, Stony Brook, New York, USA;(3) Department of Physics, University of Central Florida, Orlando, Florida, USA
Abstract:The W-algebra minimal models on hyperelliptic Riemann surfaces are constructed. Using a proposal by Polyakov, we reduce the partition function of the Toda field theory on the hyperelliptic surface to a product of partition functions: one of a ldquofree fieldrdquo theory on the sphere with inserted Toda vertex operators and one of a free scalar field theory with antiperiodic boundary conditions with inserted twist fields.
Keywords:conformal field theory  integrable systems  Toda field theory  hyperelliptic surfaces
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