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Results tagged with weyl-group
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user 103066
The Weyl group of a root system is a subgroup generated by reflections through the hyperplanes orthogonal to the roots.
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The mod p reduction of Weyl groups and their polynomial invariants
Let $C$ be an $n\times n$ Cartan matrix, then the Weyl group $W\subset GL(n,Z)$.
Let $W_p\subset GL(n,Z_p)$ be the mod p reduction of $W$. I want to know whether there are known work on the structure …
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