Andreas-Stephan Elsenhans (Würzburg) Algebraic Geometry 30th Nov 2022 to 28th Mar 2023
Jörg Jahnel (Siegen) Algebraic Geometry 14th Feb 2023 to 22nd Mar 2023
Carlos Rito (Univ. de Trás-os-Montes e Alto Douro, Portugal) Algebraic Geometry 10th Jul 2023 to 4th Aug 2023