Change of the date/time for the lectures next week

For next week, we will swap the time slots for the lecture on Tuesday (September 12) with the group session on Wednesday, (Sep. 13.). And the lecture on Friday (Sep. 15) is also replaced by a group session. In brief, we will have the lecture on Wednesday, and group sessions on Tuesday and Friday. 

The week after we will have lectures on Tuesday, Wednesday, and Friday (Sep. 19, 20, 22). 

Sijing