La dynamique au voisinage d'un point fixe elliptique conservatif : de Poincaré et Birkhoff à Aubry et Mather
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Alain Chenciner (1983/1984)
Séminaire Bourbaki
Alcides Lins Neto (1977)
Annales de l'institut Fourier
In this work we consider a class of germs of singularities of integrable 1-forms in which are structurally stable in class ( if , if ), whose 1-jet is zero at the singularity. In this class the stability depends essentially on the fact that the perturbations allowed are integrable.
Anatole Katok (1980)
Publications Mathématiques de l'IHÉS
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