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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Convex cocompactness in real projective geometry

## Convex cocompactness in real projective geometryAdd to your list(s) Download to your calendar using vCal - Fanny Kassel (CNRS (Centre national de la recherche scientifique))
- Wednesday 10 May 2017, 11:30-12:30
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact info@newton.ac.uk. NPCW04 - Approximation, deformation, quasification We will discuss a notion of convex cocompactness for discrete groups preserving a properly convex open domain in real projective space. For hyperbolic groups, this notion is equivalent to being the image of a projective Anosov representation. For nonhyperbolic groups, the notion covers Benoist's examples of divisible convex sets which are not strictly convex, as well as their deformations inside larger projective spaces. Even when these groups are nonhyperbolic, they still share some of the good properties of classical convex cocompact subgroups of rank-one Lie groups; in particular, they are quasi-isometrically embedded and structurally stable. This is joint work with J. Danciger and F. Guéritaud. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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