Fractional Linear Transformations (Möbius maps) form a group
Channel: Marco Ramponi
Date: 2020-11-20

Exercises in Abstract Algebra, see the full playlist here
https://youtube.com/playlist?list=PLEB-CyZh5_JxAYCM5mltjlHYqzIf6ieIw

More on FLTs:
https://en.wikipedia.org/wiki/Linear_fractional_transformation

On Möbius transformations:
https://en.wikipedia.org/wiki/Möbius_transformation

Nice animation on Möbius transformations:
https://youtu.be/0z1fIsUNhO4