• Ehresmann connection (after the French mathematician Charles Ehresmann who first formalized this concept) is a version of the notion of a connection,...
    23 KB (3,155 words) - 16:33, 10 January 2024
  • Thumbnail for Charles Ehresmann
    introduction of the concepts of Ehresmann connection and of jet bundles, and for his seminar on category theory. Ehresmann was born in Strasbourg (at the...
    19 KB (1,695 words) - 20:18, 26 May 2025
  • principal connection can be viewed as a special case of the notion of an Ehresmann connection, and is sometimes called a principal Ehresmann connection. It...
    20 KB (3,436 words) - 15:33, 16 March 2025
  • the connection, the marked points given by s always move under parallel transport. Yet another way to define a Cartan connection is with an Ehresmann connection...
    46 KB (6,755 words) - 22:53, 22 July 2024
  • connection is a way of formulating some aspects of connection theory using differential forms and Lie groups. An Ehresmann connection is a connection...
    19 KB (2,617 words) - 17:10, 15 March 2025
  • model Klein geometry Ehresmann connection, gives a manner for differentiating sections of a general fibre bundle Electrical connection, allows the flow of...
    3 KB (372 words) - 01:59, 17 December 2024
  • defining connections. In fact, the following notion of "Ehresmann connection" is nothing but an infinitesimal formulation of parallel transport. (Ehresmann connection)...
    45 KB (8,674 words) - 13:23, 15 June 2025
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    is enough that the connection be equivariant under positive rescalings: it need not be linear. That is, (cf. Ehresmann connection#Vector bundles and covariant...
    32 KB (4,312 words) - 20:24, 22 June 2025
  • Thumbnail for Affine connection
    (Koszul or linear Ehresmann) connection on a vector bundle. Originally the term affine connection is short for an affine connection in the sense of Cartan...
    58 KB (7,693 words) - 14:11, 3 July 2024
  • }g^{-1}-(dg)g^{-1}.} A connection on a vector bundle may be specified similarly to the case for principal bundles above, known as an Ehresmann connection. However vector...
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  • a vector on M, and d denotes the pushforward. Ehresmann connection Cartan connection Affine connection Curvature form Griffiths & Harris (1978), Wells...
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  • Thumbnail for Vertical and horizontal bundles
    Vertical and horizontal bundles (category Connection (mathematics))
    integrable. An Ehresmann connection on E is a choice of a complementary subbundle HE to VE in TE, called the horizontal bundle of the connection. At each point...
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  • {\mathfrak {g}}} , and P → B be a principal G-bundle. Let ω be an Ehresmann connection on P (which is a g {\displaystyle {\mathfrak {g}}} -valued one-form...
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  • Thumbnail for Parallel transport
    Parallel transport (category Connection (mathematics))
    vectors in much the same way as with a covariant derivative. An Ehresmann or Cartan connection supplies a lifting of curves from the manifold to the total...
    20 KB (3,104 words) - 15:23, 13 June 2025
  • sequence 1. A connection always exists. Sometimes, this connection Γ is called the Ehresmann connection because it yields the horizontal distribution H Y =...
    13 KB (1,942 words) - 18:55, 26 January 2024
  • Thumbnail for Gauge theory
    language, an Ehresmann connection) and formulating all rates of change in terms of the covariant derivative with respect to this connection. The gauge field...
    48 KB (6,822 words) - 13:34, 30 June 2025
  • the Gauss–Manin connection constructed in a manner analogous to that in which the Ehresmann connection generalizes the Koszul connection. The construction...
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  • an affine connection or covariant derivative (on tensors); the curvature form of an Ehresmann connection: see Ehresmann connection, connection (principal...
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  • linear connection on the tangent bundle of a manifold. In older literature, the term linear connection is occasionally used for an Ehresmann connection or...
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  • Einstein–Cartan theory connection (vector bundle) connection (principal bundle) Ehresmann connection curvature curvature form holonomy, local holonomy...
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  • Thumbnail for Differential geometry
    understanding of differential forms, Charles Ehresmann who introduced the theory of fibre bundles and Ehresmann connections, and others. Of particular importance...
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  • surface isometric to the plane. Dilation same as Lipschitz constant. Ehresmann connection Einstein manifold Euclidean geometry Exponential map Exponential...
    28 KB (3,756 words) - 15:15, 3 July 2025
  • essentially to Charles Ehresmann. However, it is different from, though related to, what is commonly called an Ehresmann connection. It is also different...
    70 KB (10,206 words) - 12:10, 30 April 2025
  • Contorsion tensor (category Connection (mathematics))
    needed to add to an arbitrary connection to get the torsion-free Levi-Civita connection. That is, given an Ehresmann connection ω {\displaystyle \omega }...
    10 KB (2,082 words) - 04:51, 20 June 2025
  • and the triple (TE, p∗, TM) is a smooth vector bundle. The general Ehresmann connection TE = HE ⊕ VE on a vector bundle (E, p, M) can be characterized in...
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  • A μ {\displaystyle A_{\mu }} is interpreted as the gauge connection (the Ehresmann connection) on the circle bundle. This geometric interpretation then...
    35 KB (5,729 words) - 09:58, 24 March 2025
  • Differential form – Expression that may be integrated over a region Ehresmann connection – Differential geometry construct on fiber bundles Fréchet derivative –...
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  • {\displaystyle H} on a smooth manifold M {\displaystyle M} defines an Ehresmann-connection T ( T M ∖ 0 ) = H ( T M ∖ 0 ) ⊕ V ( T M ∖ 0 ) {\displaystyle T(TM\setminus...
    12 KB (2,329 words) - 23:58, 3 December 2024
  • T(TM\setminus 0)=H(TM\setminus 0)\oplus V(TM\setminus 0)} be an Ehresmann connection on the slit tangent bundle TM\0 and consider the mapping D : ( T...
    10 KB (1,683 words) - 08:43, 27 February 2024
  • differentiable manifold. It is useful in the study of connections, notably the Ehresmann connection, as well as in the more general study of projections...
    8 KB (1,361 words) - 12:57, 14 May 2025