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Vectorization identity: Weyl matrices

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#linear-algebra #weyl-group #vectorization
353
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Finding the Weyl group from a Cartan matrix

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#abstract-algebra #lie-algebras #weyl-group #cartan-geometry #semisimple-lie-algebras
444
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About Weyl group

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#finite-groups #lie-algebras #weyl-group
196
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The automorphism group of the lattice $E_6$

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#lie-algebras #integer-lattices #root-systems #weyl-group
252
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Reduced Expression for Reflection in Weyl Group

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#lie-algebras #coxeter-groups #weyl-group
231
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Free presentations of Weyl groups

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#reference-request #lie-algebras #root-systems #coxeter-groups #weyl-group
38
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Is combinatorial info for permutahedra arising from ADE Weyl groups known?

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#combinatorics #lie-algebras #polyhedra #weyl-group
46
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How to calculate mean and variance in the Weyl group $A_n$?

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#variance #means #weyl-group
70
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Root Systems: existence of a root give two other roots

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#abstract-algebra #lie-algebras #root-systems #weyl-group
125
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About expressing $w\rho-\rho$ as a sum of roots

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#representation-theory #root-systems #weyl-group
1k
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How does the Weyl group of a simple Lie algebra act on fundamental weights?

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#representation-theory #lie-algebras #weyl-group
403
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Exercise on root system of type $A_n$

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#lie-algebras #root-systems #weyl-group #dynkin-diagrams
209
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Structure constants $\frac{N_{a,b}}{\langle c,c\rangle}=\frac{N_{b,c}}{\langle a,a\rangle}=\frac{N_{c,a}}{\langle b,b\rangle}$ for roots $a+b+c=0$

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#lie-algebras #semisimple-lie-algebras #weyl-group
274
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Weyl group of a compact Lie group vsWeyl group of a root system

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#lie-groups #lie-algebras #root-systems #weyl-group
39
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Values of $b(h_a)-a(h_b)$ with $a,b$ being roots in root system of a Lie algebra

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#lie-algebras #root-systems #semisimple-lie-algebras #weyl-group

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