Lie subalgebra
In mathematics, a Lie algebra (pronounced /liː/ "Lee") is a vector space over a field together with a non-associative, alternating bilinear map , called the Lie bracket, satisfying the Jacobi identity.
![{\displaystyle {\mathfrak {g}}\times {\mathfrak {g}}\rightarrow {\mathfrak {g}};(x,y)\mapsto [x,y]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/07d7db7755e7eb2ade441bf6b3d42950218e9114)
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Wikipedia
In mathematics, a Lie algebra (pronounced /liː/ "Lee") is a vector space over a field together with a non-associative, alternating bilinear map , called the Lie bracket, satisfying the Jacobi identity.