2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/125305The paper presents necessary and sufficient conditions for a nonlinear system to be stabilized by a feedback. The conditions are based on the ideas related to the well-known Pontryagin's maximum principle. That allows us to formulate the results in terms that are valid for continuous, discontinuous, stationary and time-dependent feedbacks.Optimization and ControlDynamical Systems93D15text