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This Week’s Finds – Lecture 4

This Week’s Finds – Lecture 4

 

Coxeter and Dynkin diagrams classify some of the most beautiful objects in mathematics. Here I explain how Coxeter groups classify finite reflection groups: that is, finite groups of transformations of mathbb{R}^n generated by reflections.

For more, read my paper “Coxeter and Dynkin diagrams” here:

http://math.ucr.edu/home/baez/twf/

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