Continuous or piecewise smooth dynamical systems on 2 and 3 dimensional manifolds.
Bifurcation of Limit Cycles from Polycycles in Dynamical Systems
On limit cycles that bifurcates from a center in a planar polynomial system.
On limit cycles in piecewise linear vector fields with algebraic discontinuity var...
Qualitative theory of ordinary differential equations: integrability, periodic orb...
Investigation of polynomial differential systems: classification, bifurcations and...