This is the website for the University of Regensburg open question seminar. We meet on Thursdays at 4pm (s.t.) at the SFB lecture hall

Previous questions

• 20.11.25, Stratified PD complexes and global Verdier duality

• 13.11.25, Tensor of bordism categories

• 06.11.25, A formula for the n-trunaction of an anima X as the realization of the (n+1)-coskeleton of the constant simiplical anima X.

• 30.10.25, What are the tiny objects in Stranima (Top[W^{-1}], where W is the collection of (strong) homotopy equivalences)?