Tight contact structures on laminar free hyperbolic three-manifolds

Details Tight contact structures on laminar free hyperbolic three-manifolds Tight contact structures on laminar free hyperbolic three-manifolds

2010-04-13

arxiv.org/abs/1004.2247v1

Mathematics

Geometric Topology

8 pages, 5 figures

Scientific paper

Whether every hyperbolic 3-manifold admits a tight contact structure or not is an open question. Many hyperbolic 3-manifolds contain taut foliations and taut foliations can be perturbed to tight contact structures. The first examples of hyperbolic 3-manifolds without taut foliations were constructed by Roberts, Shareshian, and Stein, and infinitely many of them do not even admit essential laminations as shown by Fenley. In this paper, we construct tight contact structures on a family of 3-manifolds including these examples. These contact structures are described by contact surgery diagrams and their tightness is proved using the contact invariant in Heegaard Floer homology.

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