English

Strong closing lemmas in Hamiltonian dynamics

Symplectic Geometry 2025-12-08 v1 Differential Geometry Dynamical Systems

Abstract

This survey focuses on strong closing lemmas in Hamiltonian dynamics that are proved using spectral invariants (also known as action selectors) in symplectic geometry. We review strong closing lemmas in low-dimensional Hamiltonian dynamics (Reeb flows on contact three-manifolds and area-preserving maps on symplectic surfaces) and outline the key ideas behind their proofs. We also discuss results concerning strong closing lemmas in high-dimensional Hamiltonian dynamics, as well as analogous results for minimal hypersurfaces.

Keywords

Cite

@article{arxiv.2512.05523,
  title  = {Strong closing lemmas in Hamiltonian dynamics},
  author = {Kei Irie},
  journal= {arXiv preprint arXiv:2512.05523},
  year   = {2025}
}

Comments

19 pages. Revised a version submitted to the Proceedings of the ICM 2026

R2 v1 2026-07-01T08:10:58.164Z