Derek Holt (Warwick) Group Theory 14th Mar 2019 to 17th Apr 2019
Robin Candy (ANU) Graph theory 24th Jun 2019 to 28th Jun 2019
Eamonn O'Brien (Auckland) Comp. group theory 22nd Jul 2019 to 26th Jul 2019
Andreas-Stephan Elsenhans (Würzburg) Algebraic Geometry 7th Aug 2019 to 23rd Sep 2019
Eamonn O'Brien (Auckland) Comp. group theory 25th Nov 2019 to 26th Nov 2019
Antoine Joux (Sorbonne Université) Cryptography 2nd Dec 2019 to 3rd Dec 2019
Dan Bernstein (Eindhoven, Chicago) Cryptography 9th Dec 2019 to 13th Dec 2019
Tanja Lange (Eindhoven) Cryptography 9th Dec 2019 to 13th Dec 2019