14. John von Neumann-Lecture by Prof. Dr. Alessio Figalli (ETH Zürich):
Regularity of interfaces in phase transitions via obstacle problems

The so-called Stefan problem describes the temperature distribution in a homogeneous medium undergoing a phase change, for example ice melting to water. An impo...

Timo Krisam: Generische Prädikate und bdn(T_P)

Wir betrachten eine vollständige Theorie T, die Quantorenelimination hat. Chatzidakis und Pillay haben gezeigt, dass diese unter bestimmten Annahmen einen Model...

Severin Barmeier : DG Lie algebras and L-infinity algebras in deformation theory, Oberseminar Algebra und Geometrie

We give an introduction to DG Lie algebras and L-infinity algebras and their role in deformation theory with a particular focus on deformation quantization afte...

Verena Edenfeld: Perfectoid rings, I (Oberseminar p-adische Arithemtik)

Alexander Stottmeister (Rom): Lattice gauge theory from an operator-algebraic perspective. Oberseminar C*-Algebren.

We will discuss operator-algebraic approaches to lattice gauge theory and relate these with a recent proposal of Jones for the construction of representations o...

Lennart Meier (Utrecht): Equivariant topological modular forms (Oberseminar Topologie)

Oberseminar Differentialgeometrie: Bernhard Hanke, Augsburg, Vortrag: Local flexibility for open partial differential relations

Prof. Dr. Konstantin Ardakov (Oxford, UK): The first Drinfeld covering and equivariant D-modules, I (Mittagsseminar zur Arithmetik)