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University of Cambridge > Talks.cam > Differential Geometry and Topology Seminar > Higher Teichmueller theory: from PSL(2,R) to other Lie groups

## Higher Teichmueller theory: from PSL(2,R) to other Lie groupsAdd to your list(s) Download to your calendar using vCal - Marc Burger, ETH
- Wednesday 15 March 2017, 16:00-17:00
- MR13.
If you have a question about this talk, please contact Ivan Smith. This is the first of four Leverhulme lectures on ``Higher Teichmueller theory”, whose aim is to single out connected components of the G-representation variety of the fundamental group of a compact surface S which are formed of representations with geometric significance. For G = PSl(2,R) the component of interest, Teichmueller space, is formed by all holonomy representations of hyperbolic structures on S. We’ll describe two characterizations of Teichmueller space, one by Fenchel Nielsen coordinates which for G = PSl(n,R) leads to the Hitchin component, and the other by the maximality of the Euler number which for G = Sp(2n,R) leads to the components formed by maximal representations. From the point of view of geometric group theory, in all cases these representations give rise to quasi-isometric embeddings and this connection is provided by the concept of Anosov representation. This talk is part of the Differential Geometry and Topology Seminar series. ## This talk is included in these lists:- All CMS events
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