This is the first-ever joint congress of the DMV (https://dmv.mathematik.de/) and the PTM (http://www.ptm.org.pl/). The ceremonial opening of the Congress, combined with the presentation of the annual highest awards of the DMV and PTM and the first two plenary lectures, will take place in the UAM Auditorium. The remaining sessions will be held in the buildings of the Faculties of Mathematics & Computer Science and Political Science…