Exact Duality Symmetries in CFT and String Theory
arXiv:hep-th/9302033 · doi:10.1016/0550-3213(93)90428-R
Abstract
There is substancial overlap with hepth-9211081. More results are presented for duality in the non-compact case. It is argued that duality persists as a symmetry also in that case.
31pp., Latex file