A. Raouf Chouikha
Abstract:
We consider the class of nonlinear oscillators of the form
where
is a
-periodic function,
is a function only dependent on
, and
is a small parameter.
We are interested in the periodic solutions with minimal period
,
when the restoring term
is such that
and
is a
trigonometric polynomial with period
.
By using method based on expanding the solution as a sine power series,
we prove the existence of periodic solutions for this perturbed equation.
Published February 28, 2003.
Subject classifications: 34A20.
Key words: power series solution, trigonometric series.
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A. Raouf Chouikha University of Paris-Nord, Laga, CNRS UMR 7539 Villetaneuse F-93430, France e-mail: chouikha@math.univ-paris13.fr |
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