Periodic solutions of nearly integrable Hamiltonian systems bifurcating from infinite-dimensional tori
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Date
2019-09-12
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Abstract
We prove the existence of periodic solutions of some infinite-dimensional nearly integrable
Hamiltonian systems, bifurcating from infinite-dimensional tori, by the use of a generalization
of the Poincaré–Birkhoff Theorem.
Description
Dedicated to Shair Ahmad, on the occasion of his 85th birthday