• In mathematics, curvature is any of several strongly related concepts in geometry that intuitively measure the amount by which a curve deviates from being...
    44 KB (6,432 words) - 08:44, 10 June 2024
  • property of space and time or four-dimensional spacetime. In particular, the curvature of spacetime is directly related to the energy and momentum of whatever...
    194 KB (22,670 words) - 08:24, 27 May 2024
  • Thumbnail for Shape of the universe
    defined primarily by its curvature, while the global geometry is characterised by its topology (which itself is constrained by curvature). General relativity...
    30 KB (3,825 words) - 18:04, 3 June 2024
  • In differential geometry, the Ricci curvature tensor, named after Gregorio Ricci-Curbastro, is a geometric object which is determined by a choice of Riemannian...
    34 KB (5,859 words) - 15:32, 23 May 2024
  • Thumbnail for Earth radius
    Additionally, the radius can be estimated from the curvature of the Earth at a point. Like a torus, the curvature at a point will be greatest (tightest) in one...
    40 KB (4,267 words) - 13:36, 3 June 2024
  • In the mathematical field of differential geometry, the Riemann curvature tensor or Riemann–Christoffel tensor (after Bernhard Riemann and Elwin Bruno...
    19 KB (2,883 words) - 16:27, 10 June 2024
  • mathematical field of Riemannian geometry, the scalar curvature (or the Ricci scalar) is a measure of the curvature of a Riemannian manifold. To each point on a...
    35 KB (5,029 words) - 23:36, 30 May 2024
  • Thumbnail for Radius of curvature
    In differential geometry, the radius of curvature, R, is the reciprocal of the curvature. For a curve, it equals the radius of the circular arc which best...
    12 KB (1,708 words) - 22:09, 29 April 2024
  • term curvature tensor may refer to: the Riemann curvature tensor of a Riemannian manifold — see also Curvature of Riemannian manifolds; the curvature of...
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  • Thumbnail for Center of curvature
    geometry, the center of curvature of a curve is found at a point that is at a distance from the curve equal to the radius of curvature lying on the normal...
    3 KB (258 words) - 21:31, 9 April 2024
  • of curvature is a measure of curvature of a circular arc used in civil engineering for its easy use in layout surveying. The degree of curvature is defined...
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  • Thumbnail for Gaussian curvature
    Gaussian curvature or Gauss curvature Κ of a smooth surface in three-dimensional space at a point is the product of the principal curvatures, κ1 and κ2...
    19 KB (2,622 words) - 02:43, 13 March 2024
  • Thumbnail for Curvatures of the stomach
    The curvatures of the stomach are the long, convex, lateral surface, and the shorter, concave, medial surface of the stomach, which are referred to as...
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  • Curvature is a 2017 American science fiction mystery thriller film directed by Diego Hallivis and starring Lyndsy Fonseca and Linda Hamilton. Lyndsy Fonseca...
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  • In mathematics, the mean curvature H {\displaystyle H} of a surface S {\displaystyle S} is an extrinsic measure of curvature that comes from differential...
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  • geometry, the sectional curvature is one of the ways to describe the curvature of Riemannian manifolds. The sectional curvature K(σp) depends on a two-dimensional...
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  • Thumbnail for Spherical Earth
    Spherical Earth or Earth's curvature refers to the approximation of the figure of the Earth as a sphere. The earliest documented mention of the concept...
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  • Thumbnail for Vertebral column
    column is divided into different body regions, which correspond to the curvatures of the vertebral column. The articulating vertebrae are named according...
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  • geometric properties and various quantities associated with them, such as the curvature and the arc length, are expressed via derivatives and integrals using...
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  • Thumbnail for Principal curvature
    geometry, the two principal curvatures at a given point of a surface are the maximum and minimum values of the curvature as expressed by the eigenvalues...
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  • In Riemannian geometry, the geodesic curvature k g {\displaystyle k_{g}} of a curve γ {\displaystyle \gamma } measures how far the curve is from being...
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  • Look up curvature in Wiktionary, the free dictionary. Curvature refers to mathematical concepts in different areas of geometry. Curvature may also refer...
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  • Thumbnail for Radius of curvature (optics)
    Radius of curvature (ROC) has specific meaning and sign convention in optical design. A spherical lens or mirror surface has a center of curvature located...
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  • Thumbnail for Scoliosis
    legs Respiratory or cardiac problems in severe cases Constipation due to curvature causing "tightening" of the stomach, intestines, etc. The signs of scoliosis...
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  • differential geometry, the curvature form describes curvature of a connection on a principal bundle. The Riemann curvature tensor in Riemannian geometry...
    5 KB (882 words) - 18:20, 29 August 2023
  • Thumbnail for Constant-mean-curvature surface
    In differential geometry, constant-mean-curvature (CMC) surfaces are surfaces with constant mean curvature. This includes minimal surfaces as a subset...
    16 KB (2,044 words) - 14:20, 26 February 2024
  • Thumbnail for Lordosis
    Lordosis (redirect from Lordotic curvature)
    abnormal inward curvature of the lumbar spine. However, the terms lordosis and lordotic are also used to refer to the normal inward curvature of the lumbar...
    26 KB (3,202 words) - 20:18, 2 June 2024
  • Thumbnail for Curve of Spee
    the Curve of Spee (also called von Spee's curve or Spee's curvature) is defined as the curvature of the mandibular occlusal plane beginning at the canine...
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  • Thumbnail for Curvature of Riemannian manifolds
    introduced an abstract and rigorous way to define curvature for these manifolds, now known as the Riemann curvature tensor. Similar notions have found applications...
    12 KB (2,081 words) - 01:20, 31 January 2024
  • Thumbnail for Richard S. Hamilton
    directly adapted to the scalar curvature along the Ricci flow.[H88] In general dimensions, he showed that the Riemann curvature tensor satisfies a complicated...
    28 KB (2,769 words) - 02:21, 14 January 2024