Qualitative Theory of Dynamical Systems

Abelian Integrals and Limit Cycles
Algorithmic Invariant Theory of Nonreductive Groups
Canard Cycles of Finite Codimension with Two Breaking Parameters
Centers for Trigonometric Abel Equations
Controlled Invariant Hypersurfaces of Polynomial Control Systems
Darboux Integrability For Polynomial Vector Fields Invariant Under Action of Finite Group
Hilbert’s Sixteenth Problem for Polynomial Liénard Equations
On the Darboux Integrability of Polynomial Differential Systems
Poincaré–Andronov–Hopf Bifurcation and the Local Hilbert’s 16th Problem
Preface
Transitive Lie Algebras of Vector Fields: An Overview