Joint Description of Periodic SL(2,R) WZNW Model and Its Coset Theories
arXiv:hep-th/0303130
Abstract
Liouville, SL(2,R)/U(1) and SL(2,R)/R_+ coset structures are completely described by gauge invariant Hamiltonian reduction of the SL(2,R) WZNW theory.
4 Pages, Latex, Talk at XXIXth International Colloquium on Group Theoretical Methods in Physics, July 15-20, 2002, Paris, France, spelling mistakes corrected