Palavra-chave: NONSMOOTH DYNAMICAL SYSTEMS

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