Title:
An introduction to KAM theory I: the basics
An introduction to KAM theory I: the basics
Author(s)
de la Llave, Rafael
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Abstract
The KAM (Kolmogorov Arnold and Moser) theory studies
the persistence of quasi-periodic solutions under perturbations.
It started from a basic set of theorems and it has grown
into a systematic theory that settles many questions.
The basic theorem is rather surprising since it involves delicate
regularity properties of the functions considered, rather
subtle number theoretic properties of the frequency as well
as geometric properties of the dynamical systems considered.
In these lectures, we plan to cover a complete proof of
a particularly representative theorem in KAM theory.
In the first lecture we will cover all the prerequisites
(analysis, number theory and geometry). In the second lecture
we will present a complete proof of Moser's twist map theorem
(indeed a generalization to more dimensions).
The proof also lends itself to very efficient numerical algorithms.
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Date Issued
2019-03-29
Extent
85:17 minutes
Resource Type
Moving Image
Resource Subtype
Lecture