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Published in 2017 at "Journal of Dynamics and Differential Equations"
DOI: 10.1007/s10884-015-9427-0
Abstract: This paper considers a class of nearly integrable twist symplectic mappings with generating functions and proves the persistence of lower dimensional elliptic invariant tori under Rüssmann’s non-degeneracy conditions.
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Keywords:
kam theorem;
symplectic mappings;
nearly integrable;
theorem class ... See more keywords