Limit cycles of discontinuous piecewise smooth differential systems in the plane R...
Averaging Theory for studying the periodic solutions of the differential systems a...
Investigation of polynomial differential systems: classification, bifurcations and...
Continuous or piecewise smooth dynamical systems on 2 and 3 dimensional manifolds.
Regularization, singular perturbation and Averaging method applied to piecewise sm...
Qualitative theory of ordinary differential equations: integrability, periodic orb...