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A Poincar\'e--Birkhoff theorem for $C^0$-Hamiltonian maps

Symplectic Geometry 2025-06-13 v1 Mathematical Physics Dynamical Systems math.MP

Abstract

We prove a higher-dimensional version of the well-known Poincar\'e--Birkhoff theorem, using Floer homology. We also prove a relative version for Lagrangian submanifolds. The motivation is finding periodic orbits and Hamiltonian chords in the circular, restricted three-body problem.

Keywords

Cite

@article{arxiv.2506.10545,
  title  = {A Poincar\'e--Birkhoff theorem for $C^0$-Hamiltonian maps},
  author = {Arthur Limoge and Agustin Moreno},
  journal= {arXiv preprint arXiv:2506.10545},
  year   = {2025}
}

Comments

25 pages

R2 v1 2026-07-01T03:12:57.452Z