https://meet.jit.si/Logic-and-Semantics-for-Dummies 2020-05-15 11:00: Goodwillie Calculus (Derek Sorensen) 2020-06-05 11:00: Presheaves and free cocompletion (Younesse Kaddar) 2020-06-12 11:00: Presheaves and free cocompletion (part 2) (Younesse Kaddar) 2020-06-19 11:00: Presheaves seen as freely added colimits: an algorithmic approach (Younesse Kaddar)