The number of limit cycles that can be born from periodic solutions of a polynomial Hamiltonian planar system by a small polynomial perturbation not increasing the degree , is explicitly bounded by a … more →
Sergei Yakovenko's WeblogSergei Yakovenko wrote 1 year ago: The number of limit cycles that can be born from periodic solutions of a polynomial Hamiltonian plan … more →
Sergei Yakovenko wrote 1 year ago: Dynamics generated by finitely generated subgroups of conformal germs Generic subgroups of are non-s … more →