%0 Journal Article
%T BRS Cohomology of Zero Curvature Systems I. The Complete Ladder Case
%A M. Carvalho
%A L. C. Q. Vilar
%A C. A. G. Sasaki
%A S. P. Sorella
%J Mathematics
%D 1995
%I arXiv
%R 10.1063/1.531707
%X We present here the zero curvature formulation for a wide class of field theory models. This formalism, which relies on the existence of an operator $\d$ which decomposes the exterior space-time derivative as a BRS commutator, turns out to be particularly useful in order to solve the Wess-Zumino consistency condition. The examples of the topological theories and of the $B$-$C$ string ghost system are considered in detail.
%U http://arxiv.org/abs/hep-th/9509047v2