Dept Math & Stat UiT, Forskningsparken B459
  19 Oct 2021 Tue 10:00-11:00

Matthew Terje Aadne (University of Stavanger)

On the influence of curvature on the geometry of null congruences

In this talk we shall discuss a method using alignment classification to determine properties of null-congruences. As an application we shall use these ideas to give an alternative proof of the Kundt Theorem in dimension three and four.