mathematics, the covariant derivative is a way of specifying a derivative along tangent vectors of a manifold. Alternatively, the covariant derivative is a way...
37 KB (6,453 words) - 09:24, 15 May 2025
In physics, the gauge covariant derivative is a means of expressing how fields vary from place to place, in a way that respects how the coordinate systems...
25 KB (4,484 words) - 06:31, 14 April 2025
of differential geometry, the exterior covariant derivative is an extension of the notion of exterior derivative to the setting of a differentiable principal...
19 KB (2,816 words) - 06:18, 20 December 2024
calculus, the second covariant derivative, or the second order covariant derivative, of a vector field is the derivative of its derivative with respect to...
3 KB (616 words) - 03:28, 26 June 2024
Ricci calculus (section Covariant derivative)
product rule. The Lie derivative is another derivative that is covariant under basis transformations. Like the exterior derivative, it does not depend on...
46 KB (7,275 words) - 03:10, 13 January 2025
notion of covariant derivative, because it is the monodromy of the ordinary differential equation on the curve defined by the covariant derivative with respect...
129 KB (17,614 words) - 09:47, 13 April 2025
_{a}T_{c}} Another important tensorial derivative is the Lie derivative. Unlike the covariant derivative, the Lie derivative is independent of the metric, although...
42 KB (7,044 words) - 06:10, 20 January 2025
metric, and many additional concepts follow: parallel transport, covariant derivatives, geodesics, etc. also do not require the concept of a metric. However...
47 KB (8,323 words) - 13:14, 18 May 2025
The covariant derivative is a generalization of the directional derivative from vector calculus. As with the directional derivative, the covariant derivative...
27 KB (3,180 words) - 21:29, 16 January 2025
invariant of Riemannian metrics that measures the failure of the second covariant derivatives to commute. A Riemannian manifold has zero curvature if and only...
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\nabla y,} where ∇y is the covariant derivative of the tensor, and u(x, t) is the flow velocity. Generally the convective derivative of the field u·∇y, the...
14 KB (2,003 words) - 07:38, 8 April 2025
rotation. The explicit form of a covariant transformation is best introduced with the transformation properties of the derivative of a function. Consider a scalar...
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metric tensor g α β {\displaystyle g^{\alpha \beta }} and the tensor covariant derivative ∇ μ = ; μ {\displaystyle \nabla _{\mu }={}_{;\mu }} (not to be confused...
48 KB (8,619 words) - 21:49, 6 December 2024
}f(\mathbf {p} )} (see Covariant derivative), L v f ( p ) {\displaystyle L_{\mathbf {v} }f(\mathbf {p} )} (see Lie derivative), or v p ( f ) {\displaystyle...
22 KB (4,812 words) - 00:04, 12 April 2025
unique preferred torsion-free covariant derivative, known as the Levi-Civita connection. See also gauge covariant derivative for a treatment oriented to...
23 KB (3,555 words) - 00:36, 17 February 2025
The expression ∇ X Y {\displaystyle \nabla _{X}Y} is called the covariant derivative of Y {\displaystyle Y} with respect to X {\displaystyle X} . Two...
59 KB (8,683 words) - 10:25, 5 May 2025
^{2}U^{i}}{\delta t^{2}}}\mathbf {e} _{i}\\\end{aligned}}} In terms of the covariant derivative, ∇ j {\displaystyle \nabla _{j}} , we have: δ U i δ t = V j ∇ j U...
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Dirac equation in curved spacetime (section Covariant derivative for fields in a representation of the Lorentz group)
}\nabla _{a}e_{\nu }^{b}} where ∇ a {\displaystyle \nabla _{a}} is a covariant derivative, or equivalently a choice of connection on the frame bundle, most...
13 KB (2,309 words) - 06:15, 31 March 2025
Contracted Bianchi identities (redirect from Proofs involving covariant derivatives)
the scalar curvature, and ∇ ρ {\displaystyle \nabla _{\rho }} indicates covariant differentiation. These identities are named after Luigi Bianchi, although...
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determinant is formed by applying antisymmetrization to the indices. The covariant derivative ( ∇ {\displaystyle \nabla } ) is represented by a circle around the...
9 KB (678 words) - 19:00, 30 January 2025
a covariant derivative ∇ in each associated vector bundle. If a local frame is chosen (a local basis of sections), then this covariant derivative is...
48 KB (6,822 words) - 10:30, 18 May 2025
{\displaystyle \nabla } denotes the covariant derivative associated to Γ {\displaystyle \Gamma } . It is a covariant derivative along γ {\displaystyle \gamma...
4 KB (601 words) - 10:00, 15 February 2025
notion of a directional derivative of a function from multivariable calculus is extended to the notion of a covariant derivative of a tensor. Many concepts...
46 KB (5,964 words) - 21:55, 19 May 2025
must be linear. A linear connection is equivalently specified by a covariant derivative, an operator that differentiates sections of the bundle along tangent...
45 KB (8,674 words) - 23:09, 1 January 2025
is typically given in the form of a covariant derivative, which gives a means for taking directional derivatives of vector fields, measuring the deviation...
19 KB (2,617 words) - 17:10, 15 March 2025
Hamiltonian variant of covariant classical field theory is the covariant Hamiltonian field theory where momenta correspond to derivatives of field variables...
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Interior product (redirect from Inner derivative)
interior product (also known as interior derivative, interior multiplication, inner multiplication, inner derivative, insertion operator, contraction, or...
8 KB (1,583 words) - 20:31, 21 March 2025
Gluon field (section Gauge covariant derivative in QCD)
Schäfer. The gauge covariant derivative Dμ is required to transform quark fields in manifest covariance; the partial derivatives that form the four-gradient...
12 KB (1,542 words) - 08:42, 4 March 2023
Geometric calculus (redirect from Multivector derivative)
the manifold. Therefore, we define the covariant derivative to be the forced projection of the intrinsic derivative back onto the manifold: a ⋅ D F = P B...
16 KB (3,338 words) - 21:48, 12 August 2024
norm of the absolute value of a section of a line bundle to its covariant derivative. The diamagnetic inequality has an important physical interpretation...
5 KB (916 words) - 21:11, 14 April 2025