Palavra-chave: NORMAL FORM

REGULARIZATION DISCONTINUOUOS VECTOR FIELD CAMPO DE VETORES REVERSIVEIS BIFURCACAO SINGULARIDADES DIFEOMORFISMO REVERSIVEL CONJUNTO ALGEBRICO INVOLUTION SINGULARITY DIFFERENTIAL FORM STRUCTURAL STABILITY REVERSIBILITY PERIODIC ORBIT HAMILTONIAN NON-SMOOTH VECTOR FIELDS BIFURCATION VECTOR FIELD HOMOCLINIC ORBIT RESONANCE NONSMOOTH DYNAMICAL SYSTEMS CENTER SYMBOLIC COMPUTATION EQUIVARIANT SYSTEM REVERSIBILIDADE