Palavra-chave: NONSMOOTH DYNAMICAL SYSTEMS

ASYMPTOTIC STABILITY SINGULARITY SYNCHRONIZATION SINGULAR PERTURBATION BIFURCATION LIMIT CYCLE REGULARIZATION SLIDING VECTOR FIELD SLOW MANIFOLD NORMAL FORM CENTER AVERAGING BROWER THEORY IMPLICIT DIFFERENTIAL EQUATIONS TWOFOLD CYCLE DULAC PROBLEM POLICYCLE PERIODIC SOLUTIONS FILIPPOV SYSTEMS SHILNIKOV PROBLEM ATTRACTOR STRUCTURAL STABILITY TOPOLOGICAL EQUIVALENCE SOLUTIONS AMBIQUITIES OF SOLUTIONS HAMILTONIAN PERIODIC ORBIT REVERSIBILITY T-SINGULARITY FOLD-FOLD STABILITY SINGULARIDADE IMPLICIT DIFFERENTIAL EQUATION