Abstract
This paper studies Gevrey smoothness of elliptic lower dimensional invariant tori in Hamiltonian systems under partial Melnikov’s conditions and Rüssmann’s nondegeneracy condition.
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The work was supported by the National Natural Science Foundation of China (Grant No. 11371090) and the Natural Science Foundation of Jiangsu Higher Education Institutions of China (14KJB110009).
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Wang, B., Shi, Y. & Jiang, S. Gevrey-Smoothness of Elliptic Lower Dimensional Invariant Tori in Hamiltonian Systems. Qual. Theory Dyn. Syst. 17, 345–366 (2018). https://doi.org/10.1007/s12346-017-0236-1
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DOI: https://doi.org/10.1007/s12346-017-0236-1