Contents

Regular and Chaotic Dynamics

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Vol. 29, No. 4, 2024

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Foreword

p. 515  abstract

Nineteen Fifty-Four: Kolmogorov’s New “Metrical Approach” to Hamiltonian Dynamics

Luigi Chierchia, and Isabella Fascitiello p. 517  abstract

Isolated Diophantine Numbers

Fernando Argentieri, and Luigi Chierchia p. 536  abstract

Non-Resonant Conditions for the Klein – Gordon Equation on the Circle

Roberto Feola, and Jessica Elisa Massetti p. 541  abstract

3D Orbital Architecture of Exoplanetary Systems: KAM-Stability Analysis

Chiara Caracciolo, Ugo Locatelli, Marco Sansottera, and Mara Volpi p. 565  abstract

On Elliptic Lower-Dimensional Invariant Tori with Prescribed Frequencies in Hamiltonian Systems with Small Parameters

Hanru Zou, and Junxiang Xu p. 583  abstract

Persistence of Multiscale Degenerate Invariant Tori in Reversible Systems with Degenerate Frequency Mapping

Xiaomei Yang, and Junxiang Xu p. 605  abstract

Biasymptotically Quasi-Periodic Solutions for Time-Dependent Hamiltonians

Donato Scarcella p. 620  abstract

KAM for Vortex Patches

Massimiliano Berti p. 654  abstract

Maximal Tori in Infinite-Dimensional Hamiltonian Systems: a Renormalisation Group Approach

Livia Corsi, Guido Gentile, and Michela Procesi p. 677  abstract

Erratum to: Isolated Diophantine Numbers

Fernando Argentieri, and Luigi Chierchia p. 716  abstract

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