Lattice BRST without Neuberger 0/0 problem

Abstract

We illustrate in a simple toy model how the methods of SUSY quantum mechanics and topological quantum field theory can be used for covariant gauge-fixing with unbroken BRST symmetry on a finite lattice.

Comments: Talk presented at Quark Confinement and the Hadron Spectrum X, October 8-12, 2012, Munich, Germany