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**1. prove in the 4-dimensional Riemannian space, the 4-divergence of the 4-curl is not zero that is**

where is the 2d’Alembertian operator

where is the 2d’Alembertian operator

**2.∂νGμν = ∂μ∂νaν(xκ)−2aμ(xκ) = 0**

- Thread starter physicsgirl07
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where is the 2d’Alembertian operator

- #2

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[tex] \nabla_{\mu}\left(\nabla^{\mu}T^{\nu} -\nabla^{\nu}T^{\mu}\right) \neq 0 [/tex]

Do you know which formulas you need to use ?

- #3

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but i want to prove it in 4-d

becouse in 3-d equal to zero

see this link

http://www.scribd.com/doc/19388495/152/The-curl

see the page that have title curl

becouse i dont know how to wright the formula

thanx

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