• Thumbnail for Holonomy
    In differential geometry, the holonomy of a connection on a smooth manifold is the extent to which parallel transport around closed loops fails to preserve...
    42 KB (5,911 words) - 15:27, 22 November 2024
  • Thumbnail for Calabi–Yau manifold
    complex structure. M {\displaystyle M} has a Kähler metric with global holonomy contained in S U ( n ) {\displaystyle SU(n)} . These conditions imply that...
    24 KB (3,303 words) - 13:00, 14 June 2025
  • classification of Riemannian holonomy groups first raised the issue of the existence of non-symmetric manifolds with holonomy Sp(n)·Sp(1). Interesting results...
    13 KB (1,682 words) - 19:43, 22 June 2025
  • manifold or Joyce manifold is a seven-dimensional Riemannian manifold with holonomy group contained in G2. The group G 2 {\displaystyle G_{2}} is one of the...
    8 KB (938 words) - 20:35, 25 March 2025
  • restricted holonomy group is contained in the symplectic group. A G2 manifold or Spin(7) manifold is a Riemannian manifold whose holonomy group is contained...
    15 KB (1,883 words) - 10:39, 14 January 2025
  • Look up holonomic or holonomy in Wiktionary, the free dictionary. Holonomic (introduced by Heinrich Hertz in 1894 from the Greek ὅλος meaning "whole",...
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  • phenomenon is known as holonomy. Various generalizations capture in an abstract form this idea of curvature as a measure of holonomy; see curvature form...
    45 KB (6,608 words) - 15:12, 6 July 2025
  • Thumbnail for Jim Simons
    of Bertram Kostant, gave a new proof of Berger's classification of the holonomy groups of Riemannian manifolds. He subsequently began to work with Shiing-Shen...
    64 KB (5,077 words) - 19:06, 16 June 2025
  • within the larger workings of the brain. This patch holography is called holonomy or windowed Fourier transformations. A holographic model can also account...
    29 KB (3,467 words) - 21:54, 25 May 2025
  • Thumbnail for G2 (mathematics)
    possible special groups that can appear as the holonomy group of a Riemannian metric. The manifolds of G2 holonomy are also called G2-manifolds. G2 is the automorphism...
    15 KB (2,056 words) - 18:40, 24 July 2024
  • a Spin(7)-manifold is an eight-dimensional Riemannian manifold whose holonomy group is contained in Spin(7). Spin(7)-manifolds are Ricci-flat and admit...
    3 KB (350 words) - 10:26, 28 April 2024
  • Compact Manifolds with special holonomy. Oxford University Press. 2000. ISBN 978-0-19-850601-0. Riemannian holonomy groups and calibrated geometry. Oxford...
    4 KB (315 words) - 09:30, 4 January 2024
  • Thumbnail for Symmetric space
    tools of Riemannian geometry, leading to consequences in the theory of holonomy; or algebraically through Lie theory, which allowed Cartan to give a complete...
    45 KB (4,599 words) - 00:15, 26 May 2025
  • a Riemannian product automatically implies a product structure of the holonomy groups. In 1952 De Rham considered the converse, proving that, if there...
    13 KB (1,420 words) - 05:00, 15 April 2025
  • Thumbnail for Loop quantum gravity
    gauge theories and quantum gravity. LQG includes the concept of a holonomy. A holonomy is a measure of how much the initial and final values of a spinor...
    115 KB (16,603 words) - 19:25, 25 May 2025
  • to x {\displaystyle x} . Parallel transport can be used to define the holonomy group of the connection ∇ {\displaystyle \nabla } based at a point x {\displaystyle...
    45 KB (8,670 words) - 14:30, 7 July 2025
  • Thumbnail for Foliation
    Foliation (section Holonomy)
    is called the holonomy of the foliation. Holonomy is implemented on foliated manifolds in various specific ways: the total holonomy group of foliated...
    70 KB (8,127 words) - 22:09, 23 June 2025
  • Thumbnail for Loop representation in gauge theories and quantum gravity
    gauge theories in terms of extended objects such as Wilson loops and holonomies. The loop representation is a quantum hamiltonian representation of gauge...
    30 KB (5,585 words) - 06:04, 2 January 2025
  • Thumbnail for Shing-Tung Yau
    closed manifolds of special holonomy; any simply-connected closed Kähler manifold which is Ricci flat must have its holonomy group contained in the special...
    117 KB (10,542 words) - 09:00, 11 July 2025
  • quaternionic Kähler manifold) is a Riemannian 4n-manifold whose Riemannian holonomy group is a subgroup of Sp(n)·Sp(1) for some n ≥ 2 {\displaystyle n\geq...
    11 KB (1,448 words) - 14:53, 11 December 2024
  • theory concerns itself primarily with notions of parallel transport and holonomy. The infinitesimal theory concerns itself with the differentiation of geometric...
    19 KB (2,617 words) - 17:10, 15 March 2025
  • Thumbnail for Parallel transport
    the curvature known as holonomy. The Ambrose–Singer theorem makes explicit this relationship between the curvature and holonomy. Other notions of connection...
    20 KB (3,104 words) - 15:23, 13 June 2025
  •  [page needed], Vol. 1. Holonomy for Ehresmann connections in fiber bundles is sometimes called the Ehresmann-Reeb holonomy or leaf holonomy in reference to the...
    23 KB (3,155 words) - 16:33, 10 January 2024
  • Thumbnail for Ilka Agricola
    contributions to differential geometry, in particular manifolds with special holonomy and on non-integrable geometric structures and for service to the mathematical...
    8 KB (733 words) - 18:11, 22 March 2025
  • It is the only closed flat 3-manifold with first Betti number zero. Its holonomy group is Z 2 2 {\displaystyle \mathbb {Z} _{2}^{2}} . It has been suggested...
    5 KB (468 words) - 17:30, 26 May 2025
  • path-ordered exponential to guarantee that the Wilson loop encodes the holonomy of the gauge connection. The parameter σ that determines the ordering is...
    6 KB (1,299 words) - 02:44, 7 September 2024
  • weaker than the existence of a metric of holonomy G 2 {\displaystyle G_{2}} , because a compact 7-manifold of holonomy G 2 {\displaystyle G_{2}} must also...
    5 KB (689 words) - 13:04, 3 July 2025
  • observed that since the Yang–Mills connections are projectively flat, their holonomy gives projective unitary representations of the fundamental group of the...
    72 KB (11,468 words) - 21:56, 6 July 2025
  • Thumbnail for Robert Bryant (mathematician)
    exceptional holonomy (i.e. whose holonomy groups are G2 or Spin(7)); this showed that every group in Marcel Berger's classification can arise as a holonomy group...
    16 KB (1,433 words) - 00:45, 20 June 2025
  • (principal bundle) Ehresmann connection curvature curvature form holonomy, local holonomy Chern–Weil homomorphism Curvature vector Curvature form Curvature...
    9 KB (682 words) - 03:50, 5 December 2024