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 (5,901 words) - 15:27, 22 November 2024
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 (1,641 words) - 00:44, 7 November 2023
special unitary group. M {\displaystyle M} has a Kähler metric with global holonomy contained in S U ( n ) {\displaystyle SU(n)} . These conditions imply that...
24 KB (3,270 words) - 15:59, 4 November 2024
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...
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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 (1,867 words) - 17:23, 25 March 2024
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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a Riemannian product automatically implies a product structure of the holonomy groups. In 1952 De Rham considered the converse, proving that, if there...
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Compact Manifolds with special holonomy. Oxford University Press. 2000. ISBN 978-0-19-850601-0. Riemannian holonomy groups and calibrated geometry. Oxford...
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G2 (mathematics) (section Special holonomy)
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
phenomenon is known as holonomy. Various generalizations capture in an abstract form this idea of curvature as a measure of holonomy; see curvature form...
44 KB (6,448 words) - 01:09, 20 November 2024
Holonomic brain theory (section Hologram and holonomy)
within the larger workings of the brain. This patch holography is called holonomy or windowed Fourier transformations. A holographic model can also account...
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path-ordered exponential to guarantee that the Wilson loop encodes the holonomy of the gauge connection. The parameter σ that determines the ordering is...
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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 (5,038 words) - 02:49, 12 November 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) - 23:08, 31 October 2023
Symmetric space (section Symmetric spaces and holonomy)
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) - 17:08, 4 November 2024
Zeiger (1967) proved an important variant called the holonomy decomposition (Eilenberg 1976). The holonomy method appears to be relatively efficient and has...
19 KB (2,286 words) - 18:43, 4 November 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...
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(principal bundle) Ehresmann connection curvature curvature form holonomy, local holonomy Chern–Weil homomorphism Curvature vector Curvature form Curvature...
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closed manifolds of special holonomy; any simply-connected closed Kähler manifold which is Ricci flat must have its holonomy group contained in the special...
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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...
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March 2009). "Electromagnetic to Gravitational wave Conversion via Nuclear Holonomy". AIP Conference Proceedings. 1103 (1): 524–531. Bibcode:2009AIPC.1103...
209 KB (26,941 words) - 14:00, 28 October 2024
Bryant, Robert L. (2006). "Geometry of manifolds with special holonomy: '100 years of holonomy'". 150 years of mathematics at Washington University in St...
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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...
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Euclidean (ALE) metric on the cotangent bundle of the 2-sphere T*S2. The holonomy group of this 4-real-dimensional manifold is SU(2). The metric is generally...
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strongly scalar-flat, M must be a product of Riemannian manifolds with holonomy group SU(n) (Calabi–Yau manifolds), Sp(n) (hyperkähler manifolds), or Spin(7)...
35 KB (5,029 words) - 23:36, 30 May 2024
automorphism group Level structure, a technique to remove an automorphism group Holonomy group First, if G is simply connected, the automorphism group of G is that...
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everywhere future-directed null (or everywhere past-directed null). The holonomy of the ratio of the rate of change of the affine parameter around a closed...
22 KB (3,430 words) - 05:00, 7 April 2024
Bryant, Robert L. (2006). "Geometry of manifolds with special holonomy: '100 years of holonomy'". 150 years of mathematics at Washington University in St...
26 KB (4,038 words) - 08:33, 9 May 2023
quantum general relativity and in turn loop quantum gravity and quantum holonomy theory. Let us introduce a set of three vector fields E j a , {\displaystyle...
11 KB (1,859 words) - 02:39, 24 December 2023