The differential form of a function is(adsbygoogle = window.adsbygoogle || []).push({});

[itex]\partial{f(x^1,...,x^n)}=\frac{\partial{f(x^1,...,x^n)}}{\partial{x^1}}dx^1+...+\frac{\partial{f(x^1,...,x^n)}}{\partial{x^n}}dx^n[/itex]

Is there (especially in General Relativity) differential of higher orders, like [itex]\partial^2{f(x^1,...,x^n)}[/itex]? If so, how is it computed?

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# I Differential forms in GR

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