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Results tagged with reference-request
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user 82622
This tag is used if a reference is needed in a paper or textbook on a specific result.
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Non-commutativity of the d'alambert operator acting on the covariant derivative of a scalar ...
Recently, I saw the following formula for the non-commutativity of the d'Alembert operator $\Box$ acting on the covariant derivative of a scalar field in general relativity, $\Box (\nabla_{\mu}\phi)-\ …
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