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Kontakt
Fachbereich 10
Mathematics Münster
Münster Journal of Mathematics
Personen
Veranstaltungen am Mathematischen Institut

27
Apr
2026

Ferdinand Wagner (Münster): Refined THH & Cohomology Theories. Oberseminar Topologie.
Topological Hochschild homology (THH) has been used successfully to construct prismatic cohomology, the most powerful cohomology theory that we currently have f...

28
Apr
2026

Julian Kranz: Groupoids, partial actions, and models for Kirchberg algebras. Oberseminar C*-Algebren.
Partial group actions on spaces by homeomorphisms between open sets provide a rich class of C*-algebras via the crossed product construction. We start an in-dep...

04
May
2026

Baylee Schutte (Freie Universität Berlin): Complex line fields on almost complex manifolds. Oberseminar Topologie.
A line field on a manifold is a smooth and continuous assignment of a tangent line to each point on the manifold. The projective span of a smooth manifold is th...

05
May
2026

Adriana Fernandez i Quero (Leuven): Non-amenable C*-superrigid groups that are not W*-superrigid. Oberseminar C*-Algebren.
In this talk, I will recall the notions of C*- and W*-superrigidity for groups. I will then present examples of non-amenable groups that can be completely reco...

11
May
2026

Sil Linskens (Regensburg): A 2-categorical approach to building six functor formalisms. Oberseminar Topologie.
The idea of six functors formalisms originates in Grothendieck's work on duality for étale cohomology of schemes. Much more recently, a simple and powerful defi...

12
May
2026

Chris Bruce (Newcastle): Boundary actions of outer automorphism groups of Thompson-like groups. Oberseminar C*-Algebren.
By showing that there is a topologically free boundary action, we prove that the outer automorphism groups of the topological full groups of the Cuntz?Krieger g...

18
May
2026

Lennart Meier (Utrecht): tba. Oberseminar Topologie.

01
Jun
2026

Marco Volpe (Regensburg): tba. Oberseminar Topologie.

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