We continue the recent investigation [40] about the qualitative properties of the solutions for a class of generalized Liénard systems of the form x' = y - F(x; y); y'= -g(x): We present some results on the existence/non-existence of limit cycles depending on different growth assumptions of F(x, y): The case of asymmetric conditions at infinity for g(x) and F(x,y) is also examined. In the second part of the article we consider also a bifurcation result for small limit cycles as well as we discuss the complex dynamics associated to a periodically perturbed reversible system.
Remarks on a class of generalized Liénard planar systems / Gabriele Villari; Fabio Zanolin. - In: RENDICONTI DELL'ISTITUTO DI MATEMATICA DELL'UNIVERSITÀ DI TRIESTE. - ISSN 0049-4704. - STAMPA. - 53:(2021), pp. 1-24. [10.13137/2464-8728/32864]
Remarks on a class of generalized Liénard planar systems
Gabriele Villari;
2021
Abstract
We continue the recent investigation [40] about the qualitative properties of the solutions for a class of generalized Liénard systems of the form x' = y - F(x; y); y'= -g(x): We present some results on the existence/non-existence of limit cycles depending on different growth assumptions of F(x, y): The case of asymmetric conditions at infinity for g(x) and F(x,y) is also examined. In the second part of the article we consider also a bifurcation result for small limit cycles as well as we discuss the complex dynamics associated to a periodically perturbed reversible system.File | Dimensione | Formato | |
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