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Normal Form and Nekhoroshev stability for nearly-integrable Hamiltonian systems with unconditionally slow aperiodic time dependence

The aim of this paper is to extend the results of Giorgilli and Zehnder for aperiodic time dependent systems to a case of general nearly-integrable convex analytic Hamiltonians. The existence of a normal form and then a stability result are shown in the case of a slow aperiodic time dependence that, under some smallness conditions, is independent on the size of the perturbation.

preprint2013arXivOpen access
Alessandro FortunatiStephen Wiggins
math.DS
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Open access2 authors1 topic
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Alessandro FortunatiStephen Wiggins

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