10.07.2025, 16:15
– Raum 1.22
Forschungsseminar Differentialgeometrie
Cancellation properties of exotic 4-dimensional positive scalar curvature metrics
Johannes Ebert (Münster)
This is a survey on the theory of C*-algebras as needed for quantum field theory on curved spacetimes. It covers basic definitions, the spectrum, morphisms, states and representations, product states, and Weyl systems.