Because of the attack on the computer network of the University of Duisburg-Essen, some content (in particular some image files) cannot be accessed because it is stored on central servers of the university.

Universität Duisburg-Essen
Fakultät für Mathematik
Thea-Leymann-Str. 9
45127 Essen

Office: WSC-N-3.40

Email: niklas.mueller.99 - at -

Hey there! I am Niklas Müller, a PhD student in mathematics at the Universität Duisburg-Essen. If you would like to find out more about me, here is a link to my personal webpage.