搜索结果: 1-4 共查到“contact structures”相关记录4条 . 查询时间(0.234 秒)
Contact structures on principal circle bundles
principal circle bundles Symplectic Geometry
2011/9/20
Abstract: We describe a necessary and sufficient condition for a principal circle bundle over an even-dimensional manifold to carry an invariant contact structure. As a corollary it is shown that all ...
We prove that each overtwisted contact structure has knot types that are represented by
infinitely many distinct transverse knots all with the same self-linking number. In some cases, we can even cla...
On Homotopic, non--isomorphic tight contact structures on 3-manifolds
Homotopic 3-manifolds non--isomorphic tight
2010/3/17
On Homotopic, non--isomorphic tight contact structures on 3-manifolds。
Contact structures and foliations on 3-manifolds
3-manifolds Contact structures foliations
2010/3/17
Contact structures and foliations on 3-manifolds。