#### Volume 17, issue 2 (2013)

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Contact Anosov flows on hyperbolic 3–manifolds

### Patrick Foulon and Boris Hasselblatt

Geometry & Topology 17 (2013) 1225–1252
##### Abstract

Geodesic flows of Riemannian or Finsler manifolds have been the only known contact Anosov flows. We show that even in dimension 3 the world of contact Anosov flows is vastly larger via a surgery construction near an $E$–transverse Legendrian link that encompasses both the Handel–Thurston and Goodman surgeries and that produces flows not topologically orbit equivalent to any algebraic flow. This includes examples on many hyperbolic 3–manifolds, any of which have remarkable dynamical and geometric properties.

To the latter end we include a proof of a folklore theorem from 3–manifold topology: In the unit tangent bundle of a hyperbolic surface, the complement of a knot that projects to a filling geodesic is a hyperbolic 3–manifold.

 Dedicated to the memory of William P Thurston
##### Keywords
Anosov flow, 3–manifold, contact flow, hyperbolic manifold, surgery
##### Mathematical Subject Classification 2010
Primary: 37D20
Secondary: 57N10, 57M50