"By combining the language of groups with that of geometry and linear algebra, Marius Sophus Lie created one of math’s most powerful tools."
Read at https://www.quantamagazine.org/what-are-lie-groups-20251203/
Image source:
E8 Petrie projection
https://en.wikipedia.org/wiki/Lie_group#/media/File:E8Petrie.svg
