John Baez and James Dolan, 2022-12-02

Laplace transforms, Legendre transforms and the tropical rig (or idempotent analysis):

https://golem.ph.utexas.edu/category/2007/01/quantization_and_cohomology_we_11.html
https://golem.ph.utexas.edu/category/2007/02/quantization_and_cohomology_we_12.html

The three-fold way and ten-fold way:

http://math.ucr.edu/home/baez/rch.pdf
http://math.ucr.edu/home/baez/tenfold.html

The moduli stack of elliptic curves versus the moduli stack of acute triangles:

https://ncatlab.org/nlab/show/moduli+stack+of+elliptic+curves
https://en.wikipedia.org/wiki/Moduli_stack_of_elliptic_curves

Seven ways to draw dessins d'enfant:

http://math.ucr.edu/home/baez/conversations/7_drawing-styles_for_designs.pdf

Видео John Baez and James Dolan, 2022-12-02 канала John Baez