Exploració per tema "invariant tor"
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Estimates on invariant tori near an elliptic equilibrium point of a Hamiltonian system
(1996)
Article
Accés obertWe give a precise statement for KAM theorem in a neighbourhood of an elliptic equilibrium point of a Hamiltonian system. If the frequencies of the elliptic point are nonresonant up to a certain order $K\ge4$, and a ...