2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/16314We generalize recent work on parametric resonances for nonlinear Schr{ö}dinger (NLS) type equations to the case of three dimensional Bose-Einstein condensates at zero temperatures. We show the possibility of such resonances in the three-dimensional case, using a moment method and numerical simulations.Accepted in Journal of Low Temperature PhysicsCondensed Mattertext