Persistence of multiscale degenerate invariant tori for reversible systems with multiscale degenerate equilibrium points
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Publication:6038861
DOI10.1134/s1560354722060090zbMath1515.70020MaRDI QIDQ6038861
Publication date: 3 May 2023
Published in: Regular and Chaotic Dynamics (Search for Journal in Brave)
topological degree theoryreversible systemKAM iterationDiophantine conditionGevrey smoothnessHerman methoddegenerate lower-dimensional torusfrequency mapping
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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