Partially ordered groups and geometry of contact transformations

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We prove, for a class of contact manifolds, that the universal cover of the group of contact diffeomorphisms carries a natural partial order. It leads to a new viewpoint on geometry and dynamics of contactomorphisms. It gives rise to invariants of contactomorphisms which generalize the classical notion of the rotation number. Our approach is based on tools of Symplectic Topology.
Latex, 35 pages, preliminary version

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Symplectic Geometry, Differential Geometry, Dynamical Systems, Group Theory, 58Dxx (Primary) 58F05, 53C15, 06Fxx (Secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/79235

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9910065
 http://arxiv.org/abs/math/9910065

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arXiv