Palavra-chave: SINGULAR PERTURBATION

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