Mathematics – Symplectic Geometry
Scientific paper
2009-06-18
Mathematics
Symplectic Geometry
29 pages. Added the sphere theorem, removed high dimensional material and an alternate approach to the three dimensional tight
Scientific paper
This paper begins the study of relations between Riemannian geometry and global properties of contact structures on 3-manifolds. In particular we prove an analog of the sphere theorem from Riemannian geometry in the setting of contact geometry. Specifically, if a given three dimensional contact manifold (M,\xi) admits a complete compatible Riemannian metric of positive 4/9-pinched curvature then the underlying contact structure \xi is tight; in particular, the contact structure pulled back to the universal cover is the standard contact structure on S^3. We also describe geometric conditions in dimension three for \xi to be universally tight in the nonpositive curvature setting.
Etnyre John B.
Komendarczyk Rafal
Massot Patrick
No associations
LandOfFree
Tightness in contact metric 3-manifolds does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Tightness in contact metric 3-manifolds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tightness in contact metric 3-manifolds will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-725859