2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/54529A construction of supersymmetric field-theoretical models in non-commutative geometry is reviewed. The underlying superstructure of the models is encoded in $osp(2,2)$ superalgebra.11 pages, LaTeX, Based on a seminar presented by C. Klimcik at LXIV. Les Houches session on `Quantum Symmetries', August 1995High Energy Physics - Theorytext