Infinite number of homoclinic orbits to hyperbolic invariant tori of hamiltonian systems
2000, Volume 5, Number 2, pp. 139-156
Author(s):
Bolotin S. V.
A time-periodic Hamiltonian system on a cotangent bundle of a compact manifold with Hamiltonian strictly convex and superlinear in the momentum is studied. A hyperbolic Diophantine nondegenerate invariant torus $N$ is said to be minimal if it is a Peierls set in the sense of the Aubry–Mather theory. We prove that $N$ has an infinite number of homoclinic orbits. For any family of homoclinic orbits the first and the last intersection point with the boundary of a tubular neighborhood $U$ of $N$ define sets in $U$. If there exists a compact family of minimal homoclinics defining contractible sets in $U$, we obtain an infinite number of multibump homoclinic, periodic and chaotic orbits. The proof is based on a combination of variational methods of Mather and a generalization of Shilnikov's lemma.
Citation:
Bolotin S. V., Infinite number of homoclinic orbits to hyperbolic invariant tori of hamiltonian systems, Regular and Chaotic Dynamics,
2000, Volume 5, Number 2,
pp. 139-156
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