During the spring semester 2021, during the pandemic, I came in every Saturday to record some little movie
about the upcoming lecture each. These videos were optional but I felt they can replace the lack
of energy which a Zoom lecture brings. I have taught this class since 2010 and in the first years
exclusively in a real class room setting.
Update 2022: Here is the video cycle from 2022
which is done in slide format.
