1. To Alain Chenciner On his 80th Birthday

   Announcement 20 October 2023 Pages: 333 - 342

   

2. Twist Maps of the Annulus: An Abstract Point of View

   • Patrice Le Calvez

   OriginalPaper 10 April 2023 Pages: 343 - 363

3. V-Shaped Action Functional with Delay

   • Urs Frauenfelder

   OriginalPaper 10 April 2023 Pages: 364 - 373

4. Brake Orbits Fill the N-Body Hill Region

   • Richard Montgomery

   OriginalPaper 31 July 2023 Pages: 374 - 394

   

5. Complex Arnol’d – Liouville Maps

   • Luca Biasco
   • Luigi Chierchia

   OriginalPaper 31 July 2023 Pages: 395 - 424

6. Aubry Set on Infinite Cyclic Coverings

   • Albert Fathi
   • Pierre Pageault

   OriginalPaper 31 July 2023 Pages: 425 - 446

   

7. Attractive Invariant Circles à la Chenciner

   • Jessica Elisa Massetti

   OriginalPaper 31 July 2023 Pages: 447 - 467

   

8. Emergence of Strange Attractors from Singularities

   • José Angel Rodríguez

   OriginalPaper 31 July 2023 Pages: 468 - 497

   

9. From \(2N\) to Infinitely Many Escape Orbits

   • Josep Fontana-McNally
   • Eva Miranda
   • Daniel Peralta-Salas

   OriginalPaper 31 July 2023 Pages: 498 - 511

   

10. On the Uniqueness of Convex Central Configurations in the Planar \(4\)-Body Problem

    • Shanzhong Sun
    • Zhifu Xie
    • Peng You

    OriginalPaper 31 July 2023 Pages: 512 - 532

    

11. Total Collision with Slow Convergence to a Degenerate Central Configuration

    • Richard Moeckel

    OriginalPaper Open access 31 July 2023 Pages: 533 - 542

    

12. Hamiltonian Paradifferential Birkhoff Normal Form for Water Waves

    • Massimiliano Berti
    • Alberto Maspero
    • Federico Murgante

    OriginalPaper 20 October 2023 Pages: 543 - 560

13. Distance Estimates for Action-Minimizing Solutions of the \(N\)-Body Problem

    • Kuo-Chang Chen
    • Bo-Yu Pan

    OriginalPaper 20 October 2023 Pages: 561 - 577

    

14. A Remark on the Onset of Resonance Overlap

    • Jacques Fejoz
    • Marcel Guardia

    OriginalPaper 20 October 2023 Pages: 578 - 584

    

15. On Phase at a Resonance in Slow-Fast Hamiltonian Systems

    • Yuyang Gao
    • Anatoly Neishtadt
    • Alexey Okunev

    OriginalPaper 20 October 2023 Pages: 585 - 612

    

16. Polynomial Entropy and Polynomial Torsion for Fibered Systems

    • Flavien Grycan-Gérard
    • Jean-Pierre Marco

    OriginalPaper Open access 20 October 2023 Pages: 613 - 627

    

17. Compactification of the Energy Surfaces for \(n\) Bodies

    • Andreas Knauf
    • Richard Montgomery

    OriginalPaper 20 October 2023 Pages: 628 - 658

    

18. On Families of Bowen – Series-Like Maps for Surface Groups

    • Lluís Alsedà
    • David Juher
    • Francesc Mañosas

    OriginalPaper 20 October 2023 Pages: 659 - 667

    

19. On the Lambert Problem with Drag

    • Antonio J. Ureña

    OriginalPaper 20 October 2023 Pages: 668 - 689

    

20. Three-Body Relative Equilibria on \(\mathbb{S}^{2}\)

    • Toshiaki Fujiwara
    • Ernesto Pérez-Chavela

    OriginalPaper 20 October 2023 Pages: 690 - 706

    

21. A Simple Proof of Gevrey Estimates for Expansions of Quasi-Periodic Orbits: Dissipative Models and Lower-Dimensional Tori

    • Adrián P. Bustamante
    • Rafael de la Llave

    OriginalPaper 20 October 2023 Pages: 707 - 730

22. Linear Stability of an Elliptic Relative Equilibrium in the Spatial \(n\)-Body Problem via Index Theory

    • Xijun Hu
    • Yuwei Ou
    • Xiuting Tang

    OriginalPaper 20 October 2023 Pages: 731 - 755

    

23. The Siegel – Bruno Linearization Theorem

    • Patrick Bernard

    OriginalPaper 20 October 2023 Pages: 756 - 762

24. Side-Comparison for Transition Maps in Multi-Layer Canard Problems

    • Peter De Maesschalck
    • Freddy Dumortier
    • Robert Roussarie

    OriginalPaper 20 October 2023 Pages: 763 - 780

    

25. Normalization Flow

    • Dmitry V. Treschev

    OriginalPaper 20 October 2023 Pages: 781 - 804