Results 251 to 254 of about 18,620,200 (254)

Liouvillian integrability of some quadratic Liénard polynomial differential systems

Rendiconti Del Circolo Matematico Di Palermo, 2018
Claudia Valls
exaly  

On the Conditions of a Center and General Integrals of Quadratic Differential Systems

Acta Mathematica Sinica, English Series, 2001
exaly  

Planar Quadratic Differential Systems with Invariants of the Form ax2+bxy+cy2+dx+ey+c1ta x^2+b x y+c y^2+d x+e y+c_1 t

Bulletin of the Iranian Mathematical Society
Jaume Llibre
exaly  

A Differential Equation System for Equality-Constrained Quadratic Programming

2009
exaly