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Fixed point properties for group actions on Banach spaces

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Speaker: 
Tim de Laat
Zugehörigkeit: 
Universität Münster
Datum: 
Fre, 2019-02-01 15:30 - 16:30
Location: 
MPIM Lecture Hall

Group actions on Banach spaces (in particular on Lp-spaces) have seen a growing interest in the last decades. After an introduction to this topic, I will explain a joint work with Mikael de la Salle, in which we established a spectral criterion for fixed point properties of group actions on large classes of Banach spaces (including Lp-spaces). This criterion can be applied to random groups in certain models. Our work also lead to new estimates on the conformal dimension of the boundary of random groups.

 

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