There are at most three limit cycles which can appear in the following quadratic system
from a singular point, if its type is either a focus or a center.
- GAV Gaiko, A., Valery: Global Bifurcation Theory and Hilbert’s Sixteenth Problem. Kluwer Academic Publishers, London, 2003.
- BNN1 Bautin, N.N.: On the number of limit cycles appearing from an equilibrium point of the focus or center type under varying coefficients. Matem. SB., 30:181-196, 1952. (written in Russian)
- BNN2 Bautin, N.N.: On the number of limit cycles appearing from an equilibrium point of the focus or center type under varying coefficients. Translation of the American Mathematical Society, 100, 1954.
|Date of creation||2013-03-22 14:28:46|
|Last modified on||2013-03-22 14:28:46|
|Last modified by||Daume (40)|