Concepedia
Journal of Differential Equations · 2009 · 131 citations · 7 references
Geometry Of NumberDiscrete Dynamical SystemCubic SystemDiscrete Mathematics
7
HILBERT'S 16TH PROBLEM AND BIFURCATIONS OF PLANAR POLYNOMIAL VECTOR FIELDS
Jibin Li · International Journal of Bifurcation and Chaos · 2003 · 524 citations
Spectral Theory, Engineering, Riemann-hilbert Problem +9
A CONCRETE EXAMPLE OF THE EXISTENCE OF FOUR LIMIT CYCLES FOR PLANE QUADRATIC SYSTEMS
Shi Songling · Scientia Sinica · 1980 · 137 citations
Plane Vector Field, Discrete Dynamical System, Hamiltonian System +7
Perturbation from an elliptic Hamiltonian of degree four—IV figure eight-loop
Freddy Dumortier, Chengzhi Li · Journal of Differential Equations · 2003 · 118 citations
Elliptic Equation, Elliptic Hamiltonian, Perturbation Method +3
Polynomial systems: a lower bound for the Hilbert numbers
Colin Christopher, N. G. Lloyd · Proceedings of the Royal Society of London Series A Mathematical and Physical Sciences · 1995 · 98 citations
Perturbation from an elliptic Hamiltonian of degree four—III global centre
Freddy Dumortier, Chengzhi Li · Journal of Differential Equations · 2003 · 81 citations