New problem set + meeting times

I just put out the next problem set, number 10. Note that the previous one will be discussed tomorrow (April 1). Jake will set up zoom meetings for those group exercise sessions, and let you know about the login link.

As for the lectures (or, rather, the discussion about the online lectures), these will until further notice always be accessible under the same link. Next lecture is next Monday (April 6), then we resume after the Easter break (Tuesday, April 14).