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Simple math rule
(sh.itjust.works)
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this post was submitted on 22 Aug 2024
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Come on, you can't just leave those dummy indices dangling, at least sum over them with a kronecker delta or the minkowski metric if this is some approximation of curved space.
(2) Appears to have a typo, but it could just be that the sqrt symbol won't extend further, which isn't good either lol