An intro to holomorphic dynamics, the study of iterated complex functions.
Video on Newton's fractal:    • From Newton’s method to Newton’s frac...  
Special thanks to these supporters: https://3b1b.co/lessons/holomorphic-d...

Extra special thanks to Sergey Shemyakov, of Aix-Marseille University, for helpful conversations and for introducing me to this phenomenon.

Introduction to Fatou sets and Julia sets, including a discussion of Montel's theorem and its consequences:
http://www.math.stonybrook.edu/~scott...

Numberphile with Ben Sparks on the Mandelbrot set:
   • What's so special about the Mandelbro...  

Ben explains how he made the Geogebra files on his channel here:
   • Julia Sets and Orbits of Complex Iter...   (part 1)
   • Mandelbrot Orbits and the Mandelbrot ...   (part 2)

Excellent article on Acko.net, from the basics of building up complex numbers to Julia sets.
https://acko.net/blog/how-to-fold-a-j...

Bit of a side note, but if you want an exceedingly beautiful rendering of the quaternion-version of Julia fractals, take a look at this Inigo Quilez video:
   • "Geodes" - 3D Julia set fractals  

I first saw Fatou's theorem in this article:
https://projecteuclid.org/journals/co...

Moduli spaces of Newton maps:
https://arxiv.org/pdf/1512.05098.pdf

On Montel's theorem:
https://people.ucsc.edu/~fmonard/Sp17...

On Newton's Fractal:
https://core.ac.uk/download/pdf/16338...

Thanks to these viewers for their contributions to translations
Hebrew: Omer Tuchfeld

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These animations are largely made using a custom python library, manim. See the FAQ comments here:
https://www.3blue1brown.com/faq#manim
https://github.com/3b1b/manim
https://github.com/ManimCommunity/manim/

You can find code for specific videos and projects here:
https://github.com/3b1b/videos/

Music by Vincent Rubinetti.
https://www.vincentrubinetti.com/

Download the music on Bandcamp:
https://vincerubinetti.bandcamp.com/a...

Stream the music on Spotify:
https://open.spotify.com/album/1dVyjw...

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Timestamps:
0:00 - Intro
3:02 - Rational functions
4:15 - The Mandelbrot set
8:12 - Fixed points and stability
12:51 - Cycles
16:25 - Hidden Mandelbrot
21:17 - Fatou sets and Julia sets
26:24 - Final thoughts

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