Almost reducibility of quasiperiodic \(SL(2, \mathbb{R})\)-cocycles in ultradifferentiable classes

DOI10.1016/J.JDE.2023.01.041OpenAlexW4281550448MaRDI QIDQ2691845

Maxime Chatal, Claire Chavaudret

Publication date: 30 March 2023

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

Full work available at URL: https://arxiv.org/abs/2204.13306

zbMATH Keywords

ultradifferentiable classsmall divisorsalmost reducibilityKAM methodquasi-periodic cocyclesBrjuno-Rüssmann condition

Mathematics Subject Classification ID

Dynamical aspects of finite-dimensional Hamiltonian and Lagrangian systems (37Jxx) Ergodic theory (37Axx) Smooth dynamical systems: general theory (37Cxx)

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