Mould Calculus for Hamiltonian Vector Fields

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We present the general framework of Écalle's moulds in the case of linearization of a formal vector field without and within resonances. We enlighten the power of moulds by their universality, and calculability. We modify then Écalle's technique to fit in the seek of a formal normal form of a Hamiltonian vector field in cartesian coordinates. We prove that mould calculus can also produce successive canonical transformations to bring a Hamiltonian vector field into a normal form. We then prove a Kolmogorov theorem on Hamiltonian vector fields near a diophantine torus in action-angle coordinates using moulds techniques.
30 pages

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Dynamical Systems, 37G05, 37J40, 17B40, 17A50, 17B66,17B70

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http://salesiana.dossiersoluciones.com/handle/123456789/146253

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0801.2953
 http://arxiv.org/abs/0801.2953

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arXiv