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Seminar

Minicourse March 12, 2015 (02:00 PM PDT - 04:00 PM PDT)
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Location: MSRI: Baker Board Room
Speaker(s) Michael Kapovich (University of California, Davis), Bernhard Leeb (Ludwig-Maximilians-Universit√§t M√ľnchen)
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This is a series of talks on my work with Bernhard Leeb and Joan Porti, aiming to extend the theory of geometrically finite discrete groups from rank 1 symmetric spaces to higher rank. I will start by reviewing various equivalent definitions of convex-cocompact subgroups of rank 1 Lie groups. Then I review basic geometry of higher rank symmetric spaces and their ideal boundaries. After that, I will define several notions of geometric finiteness in higher rank which generalize (some of) the rank one definitions and prove at least some of the implications between them.  My lectures will be continued by the ones by Bernhard Leeb, who will prove further equivalences of different definitions. 

The lectures on March 19, 26 and half of the lecture on March 12 will be given by Bernhard Leeb. He will outline a proof of the Morse Lemma for regular quasigeodesics and will then discuss domains of discontinuity for regular  subgroups.

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