Helicity-type integral invariants for Hamiltonian systems
Differential Geometry
2007-05-23 v1 Dynamical Systems
Abstract
In this note, we consider generalizations of the asymptotic Hopf invariant, or helicity, for Hamiltonian systems with one-and-a-half degrees of freedom and symplectic diffeomorphisms of a two-disk to itself.
Cite
@article{arxiv.0704.2879,
title = {Helicity-type integral invariants for Hamiltonian systems},
author = {Mikhail V. Deryabin},
journal= {arXiv preprint arXiv:0704.2879},
year = {2007}
}