Maxwell Tensor and Ansatz of separability

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Jairo Villalobos

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Jul 13, 2026, 7:40:17 AM (5 days ago) Jul 13

to xAct Tensor Computer Algebra

I defined the electromagnetic tensor, but I have a problem: when I calculate it, some partial derivatives of constants are not zero. Please help me an thank you :)

Kerr-Newman from separability.nb

Karim Dad

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Jul 13, 2026, 11:40:56 AM (5 days ago) Jul 13

to Jairo Villalobos, xAct Tensor Computer Algebra

You're very welcome!

On Mon, 13 Jul 2026 at 16:40, Jairo Villalobos <grelati...@gmail.com> wrote:

I defined the electromagnetic tensor, but I have a problem: when I calculate it, some partial derivatives of constants are not zero. Please help me an thank you :)

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