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Einstein tensor
In
differential geometry
, the
Einstein tensor
(named after
Albert Einstein
; also known as the
trace-reversed
Ricci tensor
) is used to express the
curvature
of a
pseudo-Riemannian manifold
. In
general relativity
, it occurs in the
Einstein field equations
for
gravitation
that describe
spacetime
curvature in a manner consistent with energy.
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