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Curvature invariant (general relativity)
In
general relativity
,
curvature invariants
are a set of
scalar
s formed from the
Riemann
,
Weyl
and
Ricci
tensors - which represent
curvature
, hence the name, - and possibly operations on them such as
contraction
,
covariant differentiation
and
dualisation
.
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