Romina Cobiaga, Walter Reartes
Abstract:
In this article we present a method for determining if the frequency
of a family of periodic orbits remains constant when a parameter changes.
Two-dimensional systems of ordinary and delayed differential equations
are considered. Several examples are given.
Submitted March 30, 2017. Published May 15, 2018.
Math Subject Classifications: 34A34, 34C25
Key Words: Limit cycle; isochronous orbit; delay differential equation.
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Romina Cobiaga Universidad Nacional del Sur Av. Alem 1253, 8000 Bahía Blanca Buenos Aires, Argentina email: romina.cobiaga@uns.edu.ar |
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Walter Reartes Universidad Nacional del Sur Av. Alem 1253, 8000 Bahía Blanca Buenos Aires, Argentina email: walter.reartes@gmail.com |
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