[MarkusQ]

I really enjoyed that when it was coming out, and used to follow it with some students. It's a shame it seems to have been abandoned.

[Iwan-Zotow]

Who wrote that? Do you know?

pawel ... ?

[mattkrause]

Pawel Sobocinski, in collaboration with Filippo Bonchi and Fabio Zanasi

https://graphicallinearalgebra.net/about/