recognition / Relativity / Relativity.Geometry.Curvature / minkowski_einstein_zero

theorem

`minkowski_einstein_zero`

proved

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module: IndisputableMonolith.Relativity.Geometry.Curvature
domain: Relativity
line: 156 · github
papers citing: none yet

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IndisputableMonolith.Relativity.Geometry.Curvature on GitHub at line 156.

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flat_chain_holds IndisputableMonolith.Relativity.Geometry.DiscreteBridge

formal source

 153  simp [minkowski_ricci_zero, Finset.sum_const_zero]
 154
 155/-- Einstein tensor vanishes for Minkowski space. -/
 156theorem minkowski_einstein_zero (x : Fin 4 → ℝ) (up : Fin 0 → Fin 4) (low : Fin 2 → Fin 4) :
 157    einstein_tensor minkowski_tensor x up low = 0 := by
 158  unfold einstein_tensor
 159  simp only [minkowski_ricci_zero, minkowski_ricci_scalar_zero, mul_zero, sub_zero]
 160
 161end Geometry
 162end Relativity
 163end IndisputableMonolith

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