From 3Blue1Brown.

Escher’s Print Gallery, and the tour of complex analysis it invites.
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Original paper by de Smit and Lenstra:
https://pub.math.leidenuniv.nl/~smitbde/papers/2003-de_smit-lenstra-escher.pdf

Timestamps:

0:00 – The print gallery
13:04 – Conformal maps from complex analysis
21:41 – The complex exponential
25:56 – The complex logarithm
32:32 – 3b1b Talent
33:14 – Constructing the key function
40:16 – The deeper math behind Escher

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These animations are largely made using a custom Python library, manim. See the FAQ comments here:
https://3b1b.co/faq#manim

Music by Vincent Rubinetti.
https://vincerubinetti.bandcamp.com/album/the-music-of-3blue1brown

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3blue1brown is a channel about animating math, in all senses of the word animate. If you’re reading the bottom of a video description, I’m guessing you’re more interested than the average viewer in lessons here. It would mean a lot to me if you chose to stay up to date on new ones, either by subscribing here on YouTube or otherwise following on whichever platform below you check most regularly.

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