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New posts in root-systems
Why is a root system called a "root" system?
representation-theory
terminology
lie-algebras
root-systems
semisimple-lie-algebras
Length of root strings is at most 4
lie-algebras
root-systems
Is there an internally consistent nearest-neighbor relation in this complete linearization of the 240 roots of $E_8$?
algebraic-groups
root-systems
Differing definitions of Cartan subalgebras
lie-algebras
root-systems
Semisimple complex Lie algebra of type $A_3$ contains a Lie subalgebra of type $B_2$ as fixed points of an automorphism.
lie-algebras
root-systems
A simple question on root systems
lie-algebras
root-systems
Relation between root systems and representations of complex semisimple Lie algebras
representation-theory
lie-algebras
roots
root-systems
Proving that there exists a saturated set with given highest weight
abstract-algebra
lie-algebras
root-systems
Is there a definition of a dual Lie algebra?
abstract-algebra
lie-algebras
root-systems
How to prove that $B^\vee$ is a base for coroots?
linear-algebra
lie-algebras
root-systems
Picture of Root System of $\mathfrak{sl}_{3}(\mathbb{C})$
abstract-algebra
lie-algebras
root-systems
semisimple-lie-algebras
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