• the double tangent bundle or the second tangent bundle refers to the tangent bundle (TTM,πTTM,TM) of the total space TM of the tangent bundle (TM,πTM...
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  • mathematics, a double vector bundle is the combination of two compatible vector bundle structures, which contains in particular the tangent T E {\displaystyle...
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  • vector bundle structure refers to the natural vector bundle structure (TE, p∗, TM) on the total space TE of the tangent bundle of a smooth vector bundle (E...
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  • Thumbnail for Vector bundle
    to the manifold at that point. Tangent bundles are not, in general, trivial bundles. For example, the tangent bundle of the sphere is non-trivial by...
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  • a line bundle expresses the concept of a line that varies from point to point of a space. For example, a curve in the plane having a tangent line at...
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    connection gives rise to a splitting of the double tangent bundle TTM into horizontal and vertical bundles: T T M = H ⊕ V . {\displaystyle TTM=H\oplus...
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  • Thumbnail for Orientability
    can also be expressed in terms of the tangent bundle. The tangent bundle is a vector bundle, so it is a fiber bundle with structure group GL(n, R). That...
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  • manifold and (TM,πTM,M) its tangent bundle. Then a vector field H on TM (that is, a section of the double tangent bundle TTM) is a semi-spray on M, if...
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  • Thumbnail for Immersion (mathematics)
    (in terms of the tangent bundle, not stable normal bundle) by Whitney. For example, the Möbius strip has non-trivial tangent bundle, so it cannot immerse...
    23 KB (2,869 words) - 09:43, 3 September 2024
  • O(n)} . The example also works for bundles other than the tangent bundle; if E {\displaystyle E} is any vector bundle of rank k {\displaystyle k} over M...
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  • mathematics, the covariant derivative is a way of specifying a derivative along tangent vectors of a manifold. Alternatively, the covariant derivative is a way...
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  • inverse Jacobian. A tensor bundle is a fiber bundle where the fiber is a tensor product of any number of copies of the tangent space and/or cotangent space...
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  • classical gauge theory where gauge fields are affine connections on the tangent bundle over a smooth manifold X {\displaystyle X} . For instance, these are...
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  • Thumbnail for Overhead power line
    large transmission line project may have several types of towers, with "tangent" ("suspension" or "line" towers, UK) towers intended for most positions...
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  • Sg defines a section of the bundle Hom(TM, T*M) of vector bundle isomorphisms of the tangent bundle to the cotangent bundle. This section has the same...
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  • noncontractible loop. Tangent bundle – the vector bundle of tangent spaces on a differentiable manifold. Tangent field – a section of the tangent bundle. Also called...
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  • Thumbnail for Differential geometry
    differential geometry. A smooth manifold always carries a natural vector bundle, the tangent bundle. Loosely speaking, this structure by itself is sufficient only...
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  • its tangent bundle TM.) The bundle of spinors πS: S → M over M is then the complex vector bundle associated with the corresponding principal bundle πP:...
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  • frame or circle bundles of M. The definitions of the tangent bundle, the unit tangent bundle and the (oriented orthonormal) frame bundle F can be extended...
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  • Thumbnail for Calabi–Yau manifold
    {\displaystyle n} -form that vanishes nowhere. The structure group of the tangent bundle of M {\displaystyle M} can be reduced from U ( n ) {\displaystyle U(n)}...
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  • normal curve. 2.  Orthogonal to the tangent space, such as a line orthogonal to the tangent space or the normal bundle. 3.  A normal intersection is an intersection...
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  • Thumbnail for Vector space
    vector bundles provide information about the underlying topological space. For example, the tangent bundle consists of the collection of tangent spaces...
    87 KB (11,487 words) - 17:09, 18 October 2024
  • Thumbnail for Exponential map (Riemannian geometry)
    well-defined at every point of the tangent bundle. Intuitively speaking, the exponential map takes a given tangent vector to the manifold, runs along...
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  • general Riemannian and pseudo-Riemannian manifolds, one has a tangent bundle, a cotangent bundle and a metric that ties the two together. There are several...
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  • Thumbnail for Differential geometry of surfaces
    frame bundle so that its tangent vectors lie in a special subspace of codimension one in the three-dimensional tangent space of the frame bundle. The projection...
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  • Thumbnail for 3-sphere
    2-sphere, the 3-sphere admits nonvanishing vector fields (sections of its tangent bundle). One can even find three linearly independent and nonvanishing vector...
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  • value, when it exists, is the slope of the tangent line to the graph of the function at that point. The tangent line is the best linear approximation of...
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  • γ ′ ( s ) , {\displaystyle \mathbf {T} (s)=\gamma '(s),}    (the unit tangent) u ( s ) = u ( γ ( s ) ) , {\displaystyle \mathbf {u} (s)=\mathbf {u} (\gamma...
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  • Thumbnail for Covariance and contravariance of vectors
    covariant indices, because it has parts that live in the tangent bundle as well as the cotangent bundle. A contravariant vector is one which transforms like...
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  • Thumbnail for Legendre transformation
    setting, ( v , q ) {\displaystyle (v,q)} are local coordinates on the tangent bundle T M {\displaystyle T{\mathcal {M}}} of a manifold M {\displaystyle {\mathcal...
    51 KB (8,882 words) - 14:41, 11 October 2024