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Property (T) for $\mathrm{Aut}(F_n)$

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Speaker: 
Dawid Kielak
Zugehörigkeit: 
Bielefeld University
Datum: 
Fre, 2019-02-01 14:00 - 15:00
Location: 
MPIM Lecture Hall

I will present a recent proof, by Kaluba, Nowak, and myself, of the fact that $\mathrm{Aut}(F_n)$ has Kazhdan's property (T) for every $n>4$.  I will discuss how the same strategy gives a new proof of property (T) for $\mathrm{SL}_n(\mathbb Z)$.

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