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单词 tangent space
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Examples oftangent space

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In this bifurcation the geometrical splitting of thetangentspaceis preserved but the expansion in the unstable direction degenerates near a periodic orbit.
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One piece of useful notation concerns the natural basis for atangentspaceinduced by a set of coordinates.
From theCambridge English Corpus
In the geometric way of looking at things, the kinetic energy metric is a smooth assignment of an inner product to eachtangentspaceof the configuration space.
From theCambridge English Corpus
Notice that the identification process allows one to define atangentspaceat each point of the local model, including on the singular locus.
From theCambridge English Corpus
If hyperbolic currently means the existence of some splitting of thetangentspacein one expanding direction and one contracting direction, the notion of 'expansion' is not clear.
From theCambridge English Corpus
Of course, in a manifold, the notion of a derivative being diagonal does not make sense, since it maps onetangentspaceinto a completely different one.
From theCambridge English Corpus
In this description the linearly independent vectors of thetangentspaceof the groups near the vicinity of the unity element (the so-called generators) play a key role.
From theCambridge English Corpus
In this case, it is not unusual to call the elements of thetangentspacethe "generators" of the manifold.
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Once the set of points generates thetangentspacethe tangent algebra and its pseudoscalar follow immediately.
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The elements of thetangentspaceare called tangent vectors at "x".
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More strictly this defines an affinetangentspace, distinct from the space of tangent vectors described by modern terminology.
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The bundle of differential forms, at each point, consists of all totally antisymmetric multilinear maps on thetangentspaceat that point.
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At each point in, thetangentspaceto can be considered as a subspace of thetangentspaceof, which is just.
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A smooth path in a smooth manifold has (at every point) the tangent vector, belonging to thetangentspace(attached to this point).
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Typically, the cotangent space is defined as the dual space of thetangentspaceat "x", although there are more direct definitions (see below).
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Likewise, cotangent space is a contravariant functor, essentially the composition of thetangentspacewith the dual space above.
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The map assigning to itstangentspacedefines a map from to.
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For example, the blowup of a point in a plane replaces the point with the projectivizedtangentspaceat that point.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

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更新时间:2024/12/28 16:39:19