2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55755We present BRST gauge fixing approach to quantum mechanics in phase space. The theory is obtained by $\hbar$-deformation of the cohomological classical mechanics described by d=1, N=2 model. We use the extended phase space supplied by the path integral formulation with $\hbar$-deformed symplectic structure.6 pages, LaTeX2eHigh Energy Physics - Theorytext