English

Generating functions in symplectic and contact geometry

Symplectic Geometry 2021-04-16 v1

Abstract

A translated point of a contactomorphism ϕ\phi on a contact manifold with contact form α\alpha is a point pp where α\alpha is preserved under ϕ\phi and whose image under ϕ\phi lies in the same Reeb trajectory. They were introduced as a contact analogon for fixed points of Hamiltonian diffeomorphisms by Sheila Sandon and can be understood as a special case of leafwise fixed points. She established a contact version of the non-degenerate Arnol'd conjecture on spheres using a generating function approach. It turns out that Sandon's proof only works under the assumption that there exists a generating function whose sublevel set at zero has nontrivial homology. This master's thesis proves the result under this additional assumption and fills minor gaps in other parts of Sandon's argument.

Keywords

Cite

@article{arxiv.2104.07415,
  title  = {Generating functions in symplectic and contact geometry},
  author = {Aaron Gootjes-Dreesbach},
  journal= {arXiv preprint arXiv:2104.07415},
  year   = {2021}
}

Comments

57 pages, 5 figures, master's thesis

R2 v1 2026-06-24T01:11:52.595Z