Title of article :
A cubic Kolmogorov system with six limit cycles
Author/Authors :
N. G. Lloyd، نويسنده , , J. M. PEARSON، نويسنده , , E Saez and، نويسنده , , I. Szanto، نويسنده ,
Issue Information :
دوهفته نامه با شماره پیاپی سال 2002
Abstract :
We consider a class of cubic Kolmogorov systems. We show in particular that a maximum of six small amplitude limit cycles can bifurcate from a critical point in the first quadrant, and we discuss the number of invariant lines.
Keywords :
Planar dynamical systems , Kolmogorov system , Limit cycles , Integrability conditions , Computer algebra
Journal title :
Computers and Mathematics with Applications
Journal title :
Computers and Mathematics with Applications
