jaj•a•person's notes

  • Lie algebras MOC
  • Objects
  • Additional structure
  • Special constructions of Lie algebras
  • Types of Lie algebra
  • Special Lie algebras
  • Subalgebras
  • Morphisms
  • Internally
  • Externally
  • Representations
  • Other things

Lie theory MOC

Lie algebras MOC

While the Lie algebra was first invoked to study the Lie group, they are an interesting object in their own right. See also the more general Algebra theory MOC.

Objects

  • Lie algebra

Additional structure

  • Graded Lie algebra
  • Invariant bilinear form on a Lie algebra
  • Quadratic Lie algebra

Special constructions of Lie algebras

  • Associated Lie algebra of a positive definite even lattice
  • Affine Lie algebra
  • Twisted affine Lie algebra

Types of Lie algebra

  • Simple Lie algebra
  • Abelian Lie algebra
  • Solvable Lie algebra
  • Nilpotent Lie algebra
  • Heisenberg algebra
  • Triangular Lie algebra

Special Lie algebras

  • Witt algebra
  • Virasoro algebra

Subalgebras

  • Cartan subalgebra

Morphisms

  • Lie algebra homomorphism, Lie algebra isomorphism, Lie algebra automorphism
  • Kernel of a Lie algebra homomorphism

Internally

  • Lie algebra ideal
  • Centralizer in a Lie algebra
  • Normalizer in a Lie algebra
  • Centre of a Lie algebra
  • Radical of a Lie algebra

Externally

  • Quotient Lie algebra
  • Lie algebra extension
  • Direct product of Lie algebras
  • Semidirect product of Lie algebras

Representations

  • Lie algebra representation, Module over a Lie algebra
  • Adjoint Lie algebra representation
  • Sum of commuting Lie algebra representations
  • Tensor product of Lie algebra representations

Other things

  • Killing form


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Backlinks

  • Affine Lie algebra
  • Associated Lie algebra of a positive definite even lattice
  • Cartan subalgebra
  • Category of Lie algebras
  • Centralizer in a Lie algebra
  • Direct product of Lie algebras
  • General linear Lie algebra
  • Generalized Cartan matrix
  • Graded Lie algebra
  • Heisenberg algebra
  • Invariant bilinear form on a Lie algebra
  • Killing form
  • Lie algebra automorphism
  • Lie algebra extension
  • Lie algebra homomorphism
  • Lie algebra isomorphism
  • Lie algebra
  • Lie theory MOC
  • Loop algebra
  • Module over a Lie algebra
  • Nilpotent Lie algebra
  • Normalizer in a Lie algebra
  • Quadratic Lie algebra
  • Quotient Lie algebra
  • Radical of a Lie algebra
  • Semidirect product of Lie algebras
  • Simple Lie algebra
  • Solvable Lie algebra
  • Special linear Lie algebra
  • Tensor product of Lie algebra representations
  • Triangular Lie algebra
  • Twisted affine Lie algebra
  • Universal enveloping algebra
  • Virasoro algebra
  • Witt algebra

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