I spent much of December on the Mathematics Stack Exchange answering questions of all kinds and sizes, getting more than a few significant results along the way. I managed to prove the rigidity of a framework containing a regular heptagon, then pushed elliptic integrals and functions to the limit (even writing a little monograph on them). But in the end, I still had my ponies to do – I had to return and complete this vector I did as the first part of my panel at TrotCon Online on 5 December 2020.
I thought that Vinyl without sunglasses looked cute enough to warrant separating that version as a full-fledged post, which is why there are three sets of links below.
