Notes for AKT-091001-2/0:37:29

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Definition: A representation of Lie-algebra [math]\displaystyle{ \mathcal{G} }[/math] is a Lie-algebra morphism [math]\displaystyle{ R: \mathcal{G} \rightarrow End(V_R) }[/math] (endomorphisms of some vector space [math]\displaystyle{ V_R }[/math])