2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/57675We investigate a propagation of solitons for nonlinear Schrodinger equation under small driving force. The driving force passes the resonance. The process of scattering on the resonance leads to changing of number of solitons. After the resonance the number of solitons depends on the amplitude of the driving force.LaTeX, 10 pagesMathematical Physics37K40, 35Q55text