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Averaging theory at any order for computing periodic orbits
Giné, Jaume (Universitat de Lleida. Departament de Matemàtica)
Grau, Maite (Universitat de Lleida. Departament de Matemàtica)
Llibre, Jaume (Universitat Autònoma de Barcelona. Departament de Matemàtiques)

Date: 2013
Abstract: We provide an explicit expression for the solutions of the perturbed first order differential equations. Using it we give an averaging theory at any order in ε for the following two kinds of analytic differential equations dx/dθ =Xk≥1εk Fk(θ, x), dx/dθ =Xk≥0εk Fk(θ, x). We apply these results for studying the limit cycles of planar polynomial differential systems after passing them to polar coordinates.
Grants: Ministerio de Ciencia e Innovación MTM2011-22877
Ministerio de Ciencia e Innovación MTM2008-03437
Agència de Gestió d'Ajuts Universitaris i de Recerca 2009/SGR-381
Agència de Gestió d'Ajuts Universitaris i de Recerca 2009/SGR-410
Rights: Tots els drets reservats.
Language: Anglès
Document: Article ; recerca ; Versió acceptada per publicar
Subject: First order analytic differential equations ; Averaging theory ; Polynomial differential equations ; Limit cycles ; Periodic orbits
Published in: Physica D. Nonlinear phenomena, Vol. 250 (2013) , p. 58-65, ISSN 0167-2789

DOI: 10.1016/j.physd.2013.01.015


Postprint
18 p, 350.3 KB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (research output) > Experimental sciences > GSD (Dynamical systems)
Articles > Research articles
Articles > Published articles

 Record created 2016-05-06, last modified 2023-09-12



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