A 2-cocycle on a group of symplectomorphisms
Group Theory
2007-07-05 v3 Symplectic Geometry
Abstract
For a symplectic manifold with exact symplectic form we construct a 2-cocycle on the group of symplectomorphisms and indicate cases when this cocycle is not trivial.
Cite
@article{arxiv.math/0410100,
title = {A 2-cocycle on a group of symplectomorphisms},
author = {Rais S. Ismagilov and Mark Losik and Peter W. Michor},
journal= {arXiv preprint arXiv:math/0410100},
year = {2007}
}
Comments
9 pages, Latex, shortened version, new coauthor, title changed