• In mathematics, a vector bundle is said to be flat if it is endowed with a linear connection with vanishing curvature, i.e. a flat connection. Let π :...
    3 KB (417 words) - 22:26, 21 September 2021
  • vector bundles, the Levi-Civita connection on the tangent bundle of a pseudo-Riemannian manifold, which gives a standard way to differentiate vector fields...
    45 KB (8,674 words) - 23:09, 1 January 2025
  • values in some vector bundle E over M. Ordinary differential forms can be viewed as R-valued differential forms. An important case of vector-valued differential...
    13 KB (2,332 words) - 07:37, 12 April 2025
  • Simpson. A Higgs bundle can be thought of as a "simplified version" of a flat holomorphic connection on a holomorphic vector bundle, where the derivative...
    4 KB (548 words) - 10:45, 28 May 2025
  • Thumbnail for Tangent bundle
    tangent bundle of a differentiable manifold M {\displaystyle M} is a manifold T M {\displaystyle TM} which assembles all the tangent vectors in M {\displaystyle...
    17 KB (2,949 words) - 23:44, 2 May 2025
  • vector bundle is a (holomorphic or algebraic) vector bundle that is stable in the sense of geometric invariant theory. Any holomorphic vector bundle may...
    14 KB (1,887 words) - 04:43, 20 July 2023
  • a certain vector bundle over a base space S of a family of algebraic varieties V s {\displaystyle V_{s}} . The fibers of the vector bundle are the de...
    8 KB (1,100 words) - 09:13, 28 May 2025
  • information. Coherent sheaves can be seen as a generalization of vector bundles. Unlike vector bundles, they form an abelian category, and so they are closed under...
    40 KB (6,934 words) - 00:04, 8 June 2025
  • any fiber bundle associated to P {\displaystyle P} via the associated bundle construction. In particular, on any associated vector bundle the principal...
    20 KB (3,436 words) - 15:33, 16 March 2025
  • canonical bundle of a non-singular algebraic variety V {\displaystyle V} of dimension n {\displaystyle n} over a field is the line bundle Ω n = ω {\displaystyle...
    16 KB (2,548 words) - 15:55, 15 January 2025
  • Nonabelian Hodge correspondence (category Vector bundles)
    to a vector bundle with flat connection as follows. The universal cover X ^ {\displaystyle {\hat {X}}} of X {\displaystyle X} is a principal bundle over...
    31 KB (5,131 words) - 02:41, 29 March 2025
  • {\displaystyle GL(n)} -bundle, the frame bundle. In particular, every smooth manifold has a canonical vector bundle, the tangent bundle. For a Lie group G...
    20 KB (2,576 words) - 06:58, 26 June 2023
  • In mathematics, a Killing vector field (often called a Killing field), named after Wilhelm Killing, is a vector field on a pseudo-Riemannian manifold...
    27 KB (4,750 words) - 19:21, 13 April 2025
  • defines directional derivative for sections of a vector bundle more general than the tangent bundle. Connections also lead to convenient formulations...
    19 KB (2,617 words) - 17:10, 15 March 2025
  • Thumbnail for Affine connection
    the simplest methods of defining differentiation of the sections of vector bundles. The notion of an affine connection has its roots in 19th-century geometry...
    58 KB (7,693 words) - 14:11, 3 July 2024
  • their current result is a formula that counts the Euler number of a flat vector bundle in terms of vertices of transversal open coverings. Notoriously, the...
    11 KB (1,519 words) - 01:39, 4 March 2025
  • says that a degree zero holomorphic vector bundle over a Riemann surface is stable if and only if it admits a flat unitary connection compatible with its...
    2 KB (266 words) - 03:09, 20 April 2025
  • Thumbnail for Affine space
    flat through the points. Any vector space may be viewed as an affine space; this amounts to "forgetting" the special role played by the zero vector....
    48 KB (7,537 words) - 05:07, 13 April 2025
  • the Chern classes are characteristic classes associated with complex vector bundles. They have since become fundamental concepts in many branches of mathematics...
    42 KB (7,508 words) - 13:07, 21 April 2025
  • Musical isomorphism (redirect from Flat map)
    {T} M} . Flat and sharp are mutually inverse isomorphisms of smooth vector bundles, hence, for each p in M, there are mutually inverse vector space isomorphisms...
    20 KB (4,149 words) - 16:33, 13 May 2025
  • Lie algebroid (category Vector bundles)
    In mathematics, a Lie algebroid is a vector bundle A → M {\displaystyle A\rightarrow M} together with a Lie bracket on its space of sections Γ ( A ) {\displaystyle...
    42 KB (7,376 words) - 23:07, 23 May 2025
  • covariant differentiation in a vector bundle by means of what is known today as a Koszul connection or a connection on a vector bundle. Using ideas from Lie algebra...
    37 KB (6,453 words) - 04:29, 7 June 2025
  • and (Nicolaescu 2002, 2003). If M is a Riemannian manifold and E a vector bundle over M, then there is a Laplacian operator acting on the k-forms with...
    14 KB (2,129 words) - 08:30, 2 August 2024
  • Thumbnail for Tensor field
    the fiber is a vector space and the tensor bundle is a special kind of vector bundle. The vector bundle is a natural idea of "vector space depending...
    26 KB (4,401 words) - 17:09, 26 May 2025
  • canonical vector-valued 1-form on the frame bundle, the torsion Θ {\displaystyle \Theta } of the connection form ω {\displaystyle \omega } is the vector-valued...
    5 KB (884 words) - 23:37, 25 February 2025
  • Thumbnail for Yang–Mills equations
    system of partial differential equations for a connection on a vector bundle or principal bundle. They arise in physics as the Euler–Lagrange equations of...
    24 KB (3,763 words) - 16:20, 7 February 2025
  • Thumbnail for Hopf fibration
    Hopf fibration (redirect from Hopf bundle)
    real formula for the bundle projection by noting that the fixed unit vector along the z axis, (0,0,1), rotates to another unit vector, ( 2 ( x z + w y )...
    36 KB (4,813 words) - 13:13, 9 April 2025
  • Covariant classical field theory (category Fiber bundles)
    manifold M {\displaystyle M} is flat, there are simplifications which remove this subtlety. An associated vector bundle E → π M {\displaystyle E\xrightarrow...
    9 KB (1,272 words) - 16:04, 10 May 2025
  • Beauville–Laszlo theorem (category Vector bundles)
    τ, σ), where E is a vector bundle on XR, τ is a trivialization of E over (X \ x)R (i.e., an isomorphism with the trivial bundle O(X - x)R), and σ a trivialization...
    8 KB (1,161 words) - 22:07, 7 May 2025
  • Thumbnail for Holonomy
    holonomy of connections in vector bundles, holonomy of Cartan connections, and holonomy of connections in principal bundles. In each of these cases, the...
    42 KB (5,911 words) - 15:27, 22 November 2024