Moser's theorem for hyperbolic-type degenerate lower tori in Hamiltonian system

DOI10.1016/j.jde.2021.07.028zbMath1483.37080OpenAlexW3194819634MaRDI QIDQ2045863

Tianqi Jing, Wen Si

Publication date: 16 August 2021

Published in: Journal of Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jde.2021.07.028

zbMATH Keywords

regularityKAM theorysmooth Hamiltonian systemdegenerate lower-dimensional toriMoser-type theorem

Mathematics Subject Classification ID

Quasi-periodic motions and invariant tori for nonlinear problems in mechanics (70K43) Perturbations of finite-dimensional Hamiltonian systems, normal forms, small divisors, KAM theory, Arnol'd diffusion (37J40) Nearly integrable Hamiltonian systems, KAM theory (70H08)

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