Let $L$ be Lie algebra and $d: L \to L $ a derivation. Let we have a one-dimensional Lie Algebra generated by element $t$. What will be the semi direct product of $L$ with one-dimensional Lie algebra which act on it via derivation? In addition , how is the free product of $L$ with one dimensional Lie algebra?
2026-03-29 20:05:39.1774814739
An example of semi direct product of Lie algebras
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