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Claudia Rüdiger

Thorben Kastenholz (KIT): Non Vanishing of the Fourth Bounded Cohomology of Free Groups and Codimension 2 Subspaces

Monday, 16.06.2025 14:15 im Raum SR 1C

Mathematik und Informatik

Abstract: Bounded cohomology is a powerful albeit very hard to compute invariant. Nothing encapsulates that more than the as of yet mysterious bounded cohomology of free groups. During this talk I will give a very brief introduction to bounded cohomology, further motivate why one should care about the bounded cohomology of free groups and then explain how to show that it is non-zero in degrees two, three and four.



Angelegt am 26.05.2025 von Claudia Rüdiger
Geändert am 26.05.2025 von Claudia Rüdiger
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