Palavra-chave: SINGULAR PERTURBATION

DISCONTINUOUS VECTOR FIELD CRITICAL POINT SLOW MANIFOLD SINGULARITY IMPASSE CAMPO DE VETORES SYNCHRONIZATION NONSMOOTH DYNAMICAL SYSTEMS NON-SMOOTH VECTOR FIELDS REGULARIZATION ALGEBRAIC VARIETIES SLIDING VECTOR FIELD FENICHEL THEORY MULTIPLE TIME SCALES REVERSIBILITY MULTIPLE TIME SCALE CONSTRAINED SYSTEMS