Visits
The MFO invited Peter Feller, Andrew Lobb
and me for two weeks for a Research in Pairs project in September 2021.
The Isaac Newton Institute for Mathematical Sciences in Cambridge invited me for the programme Homology Theories in Low Dimensional Topology in 2017,
and I spent a total of four weeks in Cambridge.
The Max Planck Institute for Mathematics invited me to spend October 2016 in Bonn.
The Max Planck Institute for Mathematics in Bonn invited me to stay from April till August 2014.
