2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/198761We study a supersymmetric 2-dimensional harmonic oscillator which carries a representation of the general graded Lie algebra GL(2$\vert$1), formulate it on the superspace, and discuss its physical spectrum.Latex, 17 pages, section IV has been considerably expanded, final version to appear J.Math.Phys., Jan/96High Energy Physics - Theorytext