Higher Geometric Structures along the Lower Rhine

This is a biyearly event jointly organised between the universities of Bonn, Cologne, Nijmegen and Utrecht. Its focus lies on the development and application of new structures in geometry and topology.

Organizers: Christian Blohmann, Marius Crainic, Ioan Mărcuț, Ieke Moerdijk and Steffen Sagave.

Next meeting

The next Higher Lower, the XX edition, will take place in Utrecht on 16-17 April 2026.

  • Speakers: Marvin Dippell, Francesca Pratali, David Carchedi, Qingyuan Bai, Lucas Dahinden, Grégoire Marc, Martin Frankland
  • You can register via this link.
  • The programme can be found here.

Previous meetings

I (MPIM Bonn), II (Nijmegen), III (Utrecht), IV (MPIM Bonn), V (Nijmegen), VI (Utrecht), VII (Leuven), VIII (MPIM Bonn), IX (Nijmegen), X (Utrecht), XI (MPIM Bonn), XII (Nijmegen), XIII (Utrecht), XIV (MPIM Bonn), XV (Nijmegen), XVI (Utrecht), XVII (MPIM Bonn), XVIII (Nijmegen), XIX (Cologne).