Research report: DEIM-RR-06-001
Title
On the number of limit cycles of the Liénard equation
Author/s
Natalia Sadovskaia, and Rafael Ramirez
Date
17-05-2006
Research report type
Recerca
Language
ca
Number of pages
30
Summary
For the Liénard equations we study two problems: the bifurcation of the limit cycles from a center by using the Pontriaguin theorem and the Hirsh-Smale problem by applying the generalized Bendixon-Dulac Criterion.
Keywords
Liénard equations, The 16th Hilbert Problem, limit cycle, bifurcation, ovals of the algebraic curves