Here is the link for the talk this week: 11.15am Chicago time (16.15UT) – note that the US put its clocks forward already.

https://uic.zoom.us/j/83542291376?pwd=ZmxXQWpmUzIwcEJKRGIyTmlVYjZ1Zz09

Please follow speaker link for further information, and physical locations in Chicago and Geneva. See you there!