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SUMMARY:Andrea Seppi (Université Grenoble Alpes)
DTSTART:20200714T140000Z
DTEND:20200714T150000Z
DTSTAMP:20260423T021052Z
UID:Geometry/4
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Geometry/4/"
 >The Gauss map for nearly-Fuchsian manifolds</a>\nby Andrea Seppi (Univers
 ité Grenoble Alpes) as part of Pangolin seminar\n\n\nAbstract\nIn this ta
 lk we will study the Gauss map for nearly-Fuchsian manifolds\, namely comp
 lete hyperbolic n-manifolds homeomorphic to HxR\, where H is a closed hype
 rsurface with principal curvatures smaller than one in absolute value. The
  Gauss map of such a hypersurface is a Lagrangian equivariant embedding in
  the space of oriented geodesics of hyperbolic space\, which is known to h
 ave a natural para-Kähler structure. We will present two characterization
 s of the Lagrangian equivariant embeddings obtained in this way\, the firs
 t in terms of the vanishing of the Maslov class\, and the second in terms 
 of orbits of the group of Hamiltonian symplectomorphisms.\n\nThis is joint
  work with Christian El Emam (Pavia).\n
LOCATION:https://researchseminars.org/talk/Geometry/4/
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