2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55769In these notes the exact renormalization group formulation of the scalar theory is briefly reviewed. This regularization scheme is then applied to supersymmetric theories. In case of a supersymmetric gauge theory it is also shown how to recover gauge invariance, broken by the introduction of the infrared cutoff.7 pages, 2 Figures, LaTeX. Talk given at the Workshop on the Exact Renormalization Group, Faro (Portugal), 10-12 September 1998, to be published by World ScientificHigh Energy Physics - Theorytext