2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/140946For MSSM phenomenology, soft SUSY breaking dimension-three operators are important, in particular the couplings between Higgs bosons and squarks. In scattering processes, perturbative unitarity is violated at modest center-of-mass energy if these couplings are much larger than the masses of the scalar particles involved. Assuming perturbative unitarity, constraints on the trilinear couplings can be determined using a computer program that we have developed.Submitted for the SUSY07 proceedings, 4 pages, LaTeX, 3 figuresHigh Energy Physics - Phenomenologytext