Dear all, Unfortunately Jeremy Tyson had to cancel his visit at UConn the coming week. Luckily Luca Rizzi (Grenoble) will be visiting us and he will give a talk on Friday 04/20 at the usual place/time. His abstract is here<https://www.math.uconn.edu/research/seminars/show-poster/?TalkID=15447>. I will send a reminder on Friday. Best, Vasilis --- Vasileios Chousionis Assistant Professor Department of Mathematics University of Connecticut http://www.math.uconn.edu/~chousionis/ <http://www.math.uconn.edu/%7Echousionis/>