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Institut de Mathématiques de Marseille, UMR 7373
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Dynamics, topology, geometry, and contact Anosov flows

11h00 - 12h00
horaire FRUMAM

Aix-Marseille Université - Site St Charles
3, place Victor Hugo - case 39
13331 MARSEILLE Cedex 03

We construct exotic contact Anosov flows that are topologically distinct from all previously known examples and have "exponentially more" closed orbits. For a maximal isotropic foliation of a contact form we present a sequence of Godbillon-Vey invariants that lend themselves to easy proofs of rigidity results when applied to the dynamical foliations of a contact Anosov flow.

Boris Hasselblatt