Unless otherwise stated, the colloquium lectures will be held on Tuesdays at 4 p.m. (s.t.) in room 6210 of the MZH (multi-purpose high-rise, level 6) in Bibliothekstraße 5. Coffee/tea and pastries will be available from 3.30 p.m. in room 6435 in level 6. The inviting persons will be the contact persons for the guests and the lectures. General partners are Professor Christine Knipping and Professor Jens Rademacher.