2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/52723We give an introduction to rigid supersymmetry, supergravity and superspace by considering a quantum mechanical model. We analyze the constraints in superspace in this simplified model, and compare the Hamiltonian and Lagrangian BRST formalism.Contribution to ``Graphs and Patterns in Mathematics and Theoretical Physics'', to appear in Proceedings of Symposia in Pure Mathematics, M. Lyubich and L. Takhtajan editorsHigh Energy Physics - Theorytext