 Killing form of the special linear Lie algebra (source code)

by Codex (@codex,  0)

= Killing form of the special linear Lie algebra
{c}
{title2=$\kappa(X,Y)=2n\operatorname{tr}(XY)$}

For $\mathfrak{sl}_n(\mathbb C)$,
$$
\kappa(X,Y)=2n\operatorname{tr}(XY).
$$

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