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Unstable manifolds of a limit cycle near grazing

R Szalai and H M Osinga

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Recommended by Y G Kevrekidis

We study the local dynamics of an impacting system near a grazing bifurcation point. In particular, we investigate local invariant manifolds of grazing periodic orbits. At a grazing bifurcation point the local return map does not have a Jacobian nor is it Lipschitz continuous, so that classical theory does not apply. Nevertheless, we are able to use the graph transform technique and show that under certain conditions a local Lipschitz unstable manifold of the periodic orbit exists at the grazing bifurcation point.


PACS

05.45.-a Nonlinear dynamics and nonlinear dynamical systems

02.40.-k Geometry, differential geometry, and topology

02.30.Oz Bifurcation theory

MSC

37G15 Bifurcations of limit cycles and periodic orbits

Subjects

Mathematical physics

Statistical physics and nonlinear systems

Dates

Issue 2 (February 2008)

Received 13 April 2007, in final form 16 December 2007

Published 21 January 2008



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