Observables in Topological Theories: A Superspace Formulation
J. L. Boldo, C. P. Constantinidis, F. Gieres, M. Lefrançois, O. Piguet
Abstract
Observables of topological Yang-Mills theory were defined by Witten as the classes of an equivariant cohomology. We propose to define them alternatively as the BRST cohomology classes of a superspace version of the theory, where BRST invariance is associated to super Yang-Mills invariance. We provide and discuss the general solution of this cohomology.
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