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Creation of periodic points of all types in the neighbourhood of K.A.M. tori. (Création de points périodiques de tous types au voisinage des tores K.A.M.) (French) Zbl 0853.58046
One proves that a residual subset $$G$$, which is the set of $$C^\infty$$ symplectic diffeomorphisms of a manifold $$M$$, has the following property: for all $$f$$ in $$G$$, every Lagrangian periodic torus (with period $$\tau$$) on which $$f^r$$ is conjugated to an ergodic rotation, is the limit of periodic points of all types (having hyperbolic and elliptic dimensions that one chooses in advance). A good comparison with other known results is done.

##### MSC:
 37J99 Dynamical aspects of finite-dimensional Hamiltonian and Lagrangian systems 37B99 Topological dynamics 37G99 Local and nonlocal bifurcation theory for dynamical systems
##### Keywords:
KAM tori; periodic points; symplectic diffeomorphisms
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##### References:
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