Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-11-16
Physics
High Energy Physics
High Energy Physics - Theory
LATEX (Sci.Word, amsmath style), 8 pages, no figures; to appear in the Proceedings of the First Advanced Research Workshop "Gr
Scientific paper
The SL(2, R) WZW model of strings on an ADS3 background is investigated in the spirit of J.Maldacena's and H.Ooguri's approach (hep-th/0001053) and (hep-th/0005183). Choosing a standard, but most general three-variable parametrization of the SL(2, R) group element g, the system of equations for the Operator Product Expansion (OPE) relations is analysed. In the investigated SL(2, R) case, this system is consistent if each three points on the complex plane lie on a certain hypersurface in CP3. A system of three nonlinear first-order differential equations has been obtained for the parametrization functions. It was demonstrated also how the mathematical apparatus of generalized functions and integral geometry can be implemented in order to modify the integral operators, entering the Kac-Moody and Virasoro algebras.
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