Topological Yang-Mills Theories and Their Observables: a Superspace Approach

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.Comment: 8 pages, Latex - Talk given by O.P. at the 2nd Londrina International Winter School Mathematical Methods in Physics, August 2002, Londrina, Brazi