%0 Journal Article
%T Gevrey Normal Form and Effective Stability of Lagrangian Tori
%A Todor Mitev
%A Georgi Popov
%J Mathematics
%D 2009
%I arXiv
%X A Gevrey symplectic normal form of an analytic and more generally Gevrey smooth Hamiltonian near a Lagrangian invariant torus with a Diophantine vector of rotation is obtained. The normal form implies effective stability of the quasi-periodic motion near the torus.
%U http://arxiv.org/abs/0909.3575v1