2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/150687We review some recent results concerning gauge theories in various dimensions. In particular, we discuss RG fixed points and ``mirror'' symmetry duality in 3d N=4 supersymmetric gauge theories and a classification of non-trivial RG fixed points in 5d N=1 supersymmetric theories.13 pages. Added reference. To appear in Proc. of Puri Conference '96High Energy Physics - Theorytext