In Riemannian geometry and pseudo-Riemannian geometry, curvature invariants are scalar quantities constructed from tensors that describe the curvature of a space or spacetime. Because they are scalars, their values do not depend on the coordinate system used, making them useful for comparing the intrinsic curvature of different geometries.
In Riemannian geometry and pseudo-Riemannian geometry, curvature invariants are scalar quantities constructed from tensors that describe the curvature of a space or spacetime. Because they are scalars, their values do not depend on the coordinate system used, making them useful for comparing the intrinsic curvature of different geometries.
Source: Wikipedia "Curvature invariant" · CC BY-SA 4.0
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