Seminar series
Date
Tue, 24 May 2016
Time
14:15 - 15:15
Location
L4
Speaker
Dawid Kielak
Organisation
Bielefeld

We will introduce the Thurston norm in the setting of 3-manifold groups, and show how the techniques coming from L2-homology allow us to extend its definition to the setting of free-by-cyclic groups.
We will also look at the relationship between this Thurston norm and the Alexander norm, and the BNS invariants, in particular focusing on the case of ascending HNN extensions of the 2-generated free group.

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