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Additional
orthonormal frame
English Wikipedia - The Free Encyclopedia
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Orthonormal frame
In
Riemannian geometry
and
relativity theory
, an
orthonormal frame
is a tool for studying the structure of a
differentiable manifold
equipped with a metric. If
M
is a manifold equipped with a metric
g
, then an orthonormal frame at a point
P
of
M
is an ordered basis of the
tangent space
at
P
consisting of vectors which are
orthonormal
with respect to the
bilinear form
g
P
.
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