Topological Yang-Mills Theories and Their Observables: a Superspace Approach
arXiv:hep-th/0303084 · doi:10.1142/S0217751X03015568
Abstract
Witten's observables of topological Yang-Mills theory, defined as classes of an equivariant cohomology, are reobtained as the BRST cohomology classes of a superspace version of the theory.
8 pages, Latex - Talk given by O.P. at the 2nd Londrina International Winter School Mathematical Methods in Physics, August 2002, Londrina, Brazil