How do you write the affine Weyl group corresponding to type $A_n$ as a Coxeter group ? The generators are $s_0,s_1,\dots,s_n$ where $s_0$ corresponds to the highest root. What are all the relations ? What are all the positive roots in this case?
2026-03-26 17:35:03.1774546503
Affine Weyl group as Coxeter group
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