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VOIGT NOTATION

  • Voigt notation
  • Mathematical Concept

    In mathematics, Voigt notation or Voigt form in multilinear algebra is a way to represent a symmetric tensor by reducing its order. There are a few variants

    Voigt notation

    Voigt_notation

  • Rotation matrix
  • Matrix representing a Euclidean rotation

    two-dimensional matrix using Voigt notation. When applying a rotational transform through angle θ {\displaystyle \theta } in this notation, the rotation matrix

    Rotation matrix

    Rotation_matrix

  • Woldemar Voigt
  • German mathematician and physicist (1850–1919)

    now called the Voigt effect in 1898. The word tensor in its current meaning was introduced by him in 1898. Voigt profile and Voigt notation are named after

    Woldemar Voigt

    Woldemar Voigt

    Woldemar_Voigt

  • Antisymmetric tensor
  • Tensor equal to the negative of any of its transpositions

    {\displaystyle U_{ijk\dots }=U_{(ij)k\dots }+U_{[ij]k\dots }.} A shorthand notation for anti-symmetrization is denoted by a pair of square brackets. For example

    Antisymmetric tensor

    Antisymmetric_tensor

  • Matrix (mathematics)
  • Array of numbers

    or no columns, called an empty matrix. The specifics of symbolic matrix notation vary widely, with some prevailing trends. Matrices are commonly written

    Matrix (mathematics)

    Matrix (mathematics)

    Matrix_(mathematics)

  • Multi-index notation
  • Mathematical notation

    Multi-index notation is a mathematical notation that simplifies formulas used in multivariable calculus, partial differential equations and the theory

    Multi-index notation

    Multi-index_notation

  • History of mathematical notation
  • Origin and evolution of the symbols used to write equations and formulas

    \mathbb {C} } ) for complex number sets. Around the 1930s, Voigt notation (so named to honor Voigt's 1898 work) would be developed for multilinear algebra

    History of mathematical notation

    History_of_mathematical_notation

  • Transpose
  • Matrix operation which flips a matrix over its diagonal

    another matrix, called the transpose of A and often denoted AT (among other notations). The transpose of a matrix was introduced in 1858 by the British mathematician

    Transpose

    Transpose

    Transpose

  • Voigt
  • Surname list

    engineer Wolfgang Voigt, electronic music artist The Voigt profile, a peak function The Voigt pipe, a type of loudspeaker Voigt notation, a way to represent

    Voigt

    Voigt

  • Manifold
  • Topological space that locally resembles Euclidean space

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Manifold

    Manifold

    Manifold

  • Penrose graphical notation
  • Graphical notation for multilinear algebra calculations

    In mathematics and physics, Penrose graphical notation or tensor diagram notation is a (usually handwritten) visual depiction of multilinear functions

    Penrose graphical notation

    Penrose graphical notation

    Penrose_graphical_notation

  • Woldemar Voigt (engineer)
  • German aerospace engineer

    grandfather was the German physicist Woldemar Voigt (1850-1919), known for Voigt notation, Voigt profile and the Voigt effect, and who introduced the term tensor

    Woldemar Voigt (engineer)

    Woldemar_Voigt_(engineer)

  • Tensor
  • Algebraic object with geometric applications

    in the modern sense. The contemporary usage was introduced by Woldemar Voigt in 1898. Tensor calculus was developed around 1890 by Gregorio Ricci-Curbastro

    Tensor

    Tensor

    Tensor

  • Abstract index notation
  • Mathematical notation for tensors and spinors

    Abstract index notation (also referred to as slot-naming index notation) is a mathematical notation for tensors and spinors that uses indices to indicate

    Abstract index notation

    Abstract_index_notation

  • Einstein notation
  • Shorthand notation for tensor operations

    differential geometry, Einstein notation (also known as the Einstein summation convention or Einstein summation notation) is a notational convention that implies

    Einstein notation

    Einstein_notation

  • Ricci calculus
  • Tensor index notation for tensor-based calculations

    In mathematics, Ricci calculus constitutes the rules of index notation and manipulation for tensors and tensor fields on a differentiable manifold, with

    Ricci calculus

    Ricci_calculus

  • Tensor product
  • Mathematical operation on vector spaces

    differentiable, then a */ b is differentiable. However, these kinds of notation are not universally present in array languages. Other array languages may

    Tensor product

    Tensor_product

  • Coordinate system
  • Method for specifying point positions

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Coordinate system

    Coordinate system

    Coordinate_system

  • Hooke's law
  • Force needed to pull a spring grows linearly with distance

    to express the anisotropic form of Hooke's law in matrix notation, also called Voigt notation. To do this we take advantage of the symmetry of the stress

    Hooke's law

    Hooke's law

    Hooke's_law

  • Cauchy stress tensor
  • Representation of mechanical stress at every point within a deformed 3D object

    _{23}\\\sigma _{31}&\sigma _{32}&\sigma _{33}\\\end{matrix}}\right].} The Voigt notation representation of the Cauchy stress tensor takes advantage of the symmetry

    Cauchy stress tensor

    Cauchy stress tensor

    Cauchy_stress_tensor

  • Kelvin–Voigt material
  • Model of viscoelastic material

    A Kelvin–Voigt material, also called a Voigt material, is the most simple model viscoelastic material showing typical rubbery properties. It is purely

    Kelvin–Voigt material

    Kelvin–Voigt_material

  • Exterior algebra
  • Algebra associated to any vector space

    Then any alternating tensor t ∈ Ar(V) ⊂ Tr(V) can be written in index notation with the Einstein summation convention as t = t i 1 i 2 ⋯ i r e i 1 ⊗ e

    Exterior algebra

    Exterior algebra

    Exterior_algebra

  • Piezoelectricity
  • Electric charge generated in certain solids due to mechanical stress

    6-by-6 matrix instead of a rank-3 tensor. Such a relabeled notation is often called Voigt notation. Whether the shear strain components S4, S5, S6 are tensor

    Piezoelectricity

    Piezoelectricity

    Piezoelectricity

  • Tensor rank decomposition
  • Decomposition in multilinear algebra

    {\displaystyle M>2} and all I m ≥ 2 {\displaystyle I_{m}\geq 2} . For simplicity in notation, assume without loss of generality that the factors are ordered such that

    Tensor rank decomposition

    Tensor_rank_decomposition

  • Metric tensor (general relativity)
  • Tensor that describes the 4D geometry of spacetime

    {\displaystyle g_{\mu \nu }} themselves as the metric (see, however, abstract index notation). With the quantities d x μ {\displaystyle dx^{\mu }} being regarded as

    Metric tensor (general relativity)

    Metric_tensor_(general_relativity)

  • Tsai–Wu failure criterion
  • Test for predicting engineering failures

    parameters. The stresses σ i {\displaystyle \sigma _{i}} are expressed in Voigt notation. If the failure surface is to be closed and convex, the interaction

    Tsai–Wu failure criterion

    Tsai–Wu_failure_criterion

  • Orthotropic material
  • _{31}\\2\varepsilon _{12}\end{bmatrix}}} An alternative representation in Voigt notation is [ σ 1 σ 2 σ 3 σ 4 σ 5 σ 6 ] = [ C 11 C 12 C 13 C 14 C 15 C 16 C 12

    Orthotropic material

    Orthotropic material

    Orthotropic_material

  • Differential form
  • Expression that may be integrated over a region

    dependent is zero. A common notation for the wedge product of elementary k {\displaystyle k} -forms is so called multi-index notation: in an n {\displaystyle

    Differential form

    Differential_form

  • Elasticity tensor
  • Stress-strain relation in a linear elastic material

    properties § Mechanical properties Representation theory of finite groups Voigt notation Here, upper and lower indices denote contravariant and covariant components

    Elasticity tensor

    Elasticity_tensor

  • Hodge star operator
  • Exterior algebraic map taking tensors from p forms to n-p forms

    }(dy\wedge dz)&=dt\wedge dx\,.\end{aligned}}} These are summarized in the index notation as ⋆ ( d x μ ) = η μ λ ε λ ν ρ σ 1 3 ! d x ν ∧ d x ρ ∧ d x σ , ⋆ ( d x

    Hodge star operator

    Hodge_star_operator

  • Dot product
  • Algebraic operation on coordinate vectors

    specified with respect to an orthonormal basis, is defined, in summation notation, as: a ⋅ b = ∑ i = 1 n a i b i = a 1 b 1 + a 2 b 2 + ⋯ + a n b n {\displaystyle

    Dot product

    Dot_product

  • One-form
  • Differential form of degree one or section of a cotangent bundle

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    One-form

    One-form

  • Metric tensor
  • Structure defining distance on a manifold

    is increased by du units, and v is increased by dv units. Using matrix notation, the first fundamental form becomes d s 2 = [ d u d v ] [ E F F G ] [ d

    Metric tensor

    Metric_tensor

  • Stress–energy tensor
  • Tensor describing energy momentum density in spacetime

    superscripted variables (not exponents; see Tensor index notation and Einstein summation notation). The four coordinates of an event of spacetime x are given

    Stress–energy tensor

    Stress–energy tensor

    Stress–energy_tensor

  • Differential geometry
  • Branch of mathematics

    popularised the tensor calculus of Ricci and Levi-Civita and introduced the notation g {\displaystyle g} for a Riemannian metric, and Γ {\displaystyle \Gamma

    Differential geometry

    Differential geometry

    Differential_geometry

  • Tensor contraction
  • Operation in mathematics

    2x2; often 3x3 or 4x4 are used, but any size is allowed. In simple index notation, this is written ∑ j = 1 2 a i j × b j k = c i k {\textstyle \sum _{j=1}^{2}a_{ij}\times

    Tensor contraction

    Tensor_contraction

  • Multilinear algebra
  • Branch of mathematics

    tensors Dyadic tensor Glossary of tensor theory Metric tensor Bra–ket notation Multilinear subspace learning Multivector Geometric algebra Clifford algebra

    Multilinear algebra

    Multilinear_algebra

  • Kronecker delta
  • Mathematical function of two variables; outputs 1 if they are equal, 0 otherwise

    i = j ] . {\displaystyle \delta _{ij}=[i=j].} Often, a single-argument notation δ i {\displaystyle \delta _{i}} is used, which is equivalent to setting

    Kronecker delta

    Kronecker_delta

  • Levi-Civita connection
  • Affine connection on the tangent bundle of a manifold

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Levi-Civita connection

    Levi-Civita connection

    Levi-Civita_connection

  • Lie derivative
  • Type of derivative in differential geometry

    =f{\mathcal {L}}_{X}\omega +df\wedge i_{X}\omega .} In local coordinate notation, for a type ( r , s ) {\displaystyle (r,s)} tensor field T {\displaystyle

    Lie derivative

    Lie_derivative

  • Electromagnetic tensor
  • Mathematical object that describes the electromagnetic field in spacetime

    }F_{\beta \gamma }+\partial _{\beta }F_{\gamma \alpha }=0} or using the index notation with square brackets[note 1] for the antisymmetric part of the tensor:

    Electromagnetic tensor

    Electromagnetic tensor

    Electromagnetic_tensor

  • Geodesic
  • Straight path on a curved surface or a Riemannian manifold

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Geodesic

    Geodesic

    Geodesic

  • Ricci curvature
  • Tensor in differential geometry

    v 1 , … , v n {\displaystyle v_{1},\ldots ,v_{n}} ⁠. In abstract index notation, R i c a b = R c b c a = R c a c b . {\displaystyle \mathrm {Ric} _{ab}=\mathrm

    Ricci curvature

    Ricci curvature

    Ricci_curvature

  • Moment of inertia
  • Scalar measure of the rotational inertia with respect to a fixed axis of rotation

    \end{aligned}}} It is common in rigid body mechanics to use notation that explicitly identifies the x {\displaystyle x} , y {\displaystyle y}

    Moment of inertia

    Moment of inertia

    Moment_of_inertia

  • Parallel transport
  • System of moving vectors in differential geometry

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Parallel transport

    Parallel transport

    Parallel_transport

  • Exterior derivative
  • Operation on differential forms

    generalized for any pseudo-Riemannian manifold, and written in coordinate-free notation as follows: grad ⁡ f ≡ ∇ f = ( d f ) ♯ div ⁡ F ≡ ∇ ⋅ F = ⋆ d ⋆ ( F ♭ )

    Exterior derivative

    Exterior_derivative

  • Linear map
  • Mathematical function, in linear algebra

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Linear map

    Linear_map

  • Basis (linear algebra)
  • Set of vectors used to define coordinates

    j}y_{j},} for i = 1, ..., n. This formula may be concisely written in matrix notation. Let A be the matrix of the a i , j {\displaystyle a_{i,j}} , and X = [

    Basis (linear algebra)

    Basis (linear algebra)

    Basis_(linear_algebra)

  • Riemann curvature tensor
  • Tensor field in Riemannian geometry

    noncommutativity of the second covariant derivative. In abstract index notation, R d c a b Z c = ∇ a ∇ b Z d − ∇ b ∇ a Z d . {\displaystyle R^{d}{}_{cab}Z^{c}=\nabla

    Riemann curvature tensor

    Riemann_curvature_tensor

  • Transverse isotropy
  • Geological concept

    {C}}}}~{\underline {\underline {\boldsymbol {\varepsilon }}}}} or, using Voigt notation, [ σ 1 σ 2 σ 3 σ 4 σ 5 σ 6 ] = [ C 11 C 12 C 13 C 14 C 15 C 16 C 12

    Transverse isotropy

    Transverse isotropy

    Transverse_isotropy

  • Metric connection
  • Construct in differenital geometry

    {\displaystyle A_{j}{}^{k}\ =\ \Gamma ^{k}{}_{ij}\,dx^{i}.} The point of the notation is to distinguish the indices j, k, which run over the n dimensions of

    Metric connection

    Metric_connection

  • Dimension
  • Property of a mathematical space

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Dimension

    Dimension

    Dimension

  • Angular momentum
  • Conserved physical quantity; rotational analogue of linear momentum

    about the center of rotation – circular, linear, or otherwise. In vector notation, the orbital angular momentum of a point particle in motion about the origin

    Angular momentum

    Angular momentum

    Angular_momentum

  • Musical isomorphism
  • Isomorphism between the tangent and cotangent bundles of a manifold

    the use of the musical notation symbols ♭ {\displaystyle \flat } (flat) and ♯ {\displaystyle \sharp } (sharp). In the notation of Ricci calculus and mathematical

    Musical isomorphism

    Musical_isomorphism

  • Dyadics
  • Second order tensor in vector algebra

    algebra, a dyadic or dyadic tensor is a second order tensor, written in a notation that fits in with vector algebra. There are numerous ways to multiply two

    Dyadics

    Dyadics

  • Mixed tensor
  • Tensor having both covariant and contravariant indices

    covariant, the last one contravariant, and the remaining ones mixed. Notationally, these tensors differ from each other by the covariance/contravariance

    Mixed tensor

    Mixed_tensor

  • Christoffel symbols
  • Array of numbers describing a metric connection

    reminder that these are defined to be equivalent notation for the same concept. The choice of notation is according to style and taste, and varies from

    Christoffel symbols

    Christoffel_symbols

  • Covariant derivative
  • Specification of a derivative along a tangent vector of a manifold

    language and using a local coordinate system and the traditional index notation. The covariant derivative of a tensor field is presented as an extension

    Covariant derivative

    Covariant_derivative

  • Symmetric function
  • Function that is invariant under all permutations of its variables

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Symmetric function

    Symmetric_function

  • Tensor field
  • Assignment of a tensor continuously varying across a region of space

    curvature tensors built from them are. The notation for tensor fields can sometimes be confusingly similar to the notation for tensor spaces. Thus, the tangent

    Tensor field

    Tensor field

    Tensor_field

  • Zener ratio
  • } where C i j {\displaystyle C_{ij}} refers to elastic constants in Voigt notation. Cubic materials are special orthotropic materials that are invariant

    Zener ratio

    Zener_ratio

  • Tensor (intrinsic definition)
  • Coordinate-free definition of a tensor

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Tensor (intrinsic definition)

    Tensor_(intrinsic_definition)

  • Covariance and contravariance of vectors
  • Vector behavior under coordinate changes

    opposed to those of covectors) are said to be contravariant. In Einstein notation (implicit summation over repeated index), contravariant components are

    Covariance and contravariance of vectors

    Covariance and contravariance of vectors

    Covariance_and_contravariance_of_vectors

  • Fiber bundle
  • Continuous surjection satisfying a local triviality condition

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Fiber bundle

    Fiber bundle

    Fiber_bundle

  • Glossary of tensor theory
  • contrast, a dyad is specifically a dyadic tensor of rank one. Einstein notation This notation is based on the understanding that whenever a multidimensional array

    Glossary of tensor theory

    Glossary_of_tensor_theory

  • Weyl tensor
  • Measure of the curvature of a pseudo-Riemannian manifold

    v_{3}\right)k\left(v_{1},v_{4}\right)\end{aligned}}} In tensor component notation, this can be written as C i k ℓ m = R i k ℓ m + 1 n − 2 ( R i m g k ℓ −

    Weyl tensor

    Weyl_tensor

  • Symmetrization
  • Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Symmetrization

    Symmetrization

  • Special relativity
  • Theory of interwoven space and time by Albert Einstein

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Special relativity

    Special relativity

    Special_relativity

  • Vectorization (mathematics)
  • Conversion of a matrix or a tensor to a vector

    {T} })\operatorname {vec} (B)} . Duplication and elimination matrices Voigt notation Packed storage matrix Column-major order Matricization Macedo, H. D

    Vectorization (mathematics)

    Vectorization_(mathematics)

  • Composite material
  • Material made from a combination of two or more unlike substances

    materials are generally anisotropic, and in many cases are orthotropic. Voigt notation can be used to reduce the rank of the stress and strain tensors such

    Composite material

    Composite material

    Composite_material

  • Continuum mechanics
  • Branch of physics which studies the behavior of materials modeled as continuous media

    of polarization. Couple stresses and body couples were first explored by Voigt and Cosserat, and later reintroduced by Mindlin in 1960 on his work for

    Continuum mechanics

    Continuum_mechanics

  • Spinor bundle
  • Geometric structure

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Spinor bundle

    Spinor_bundle

  • Four-tensor
  • Abbreviation in the fields of special and general relativity

    four-dimensional spacetime. General four-tensors are usually written in tensor index notation as A ν 1 , ν 2 , . . . , ν m μ 1 , μ 2 , . . . , μ n {\displaystyle A_{\;\nu

    Four-tensor

    Four-tensor

    Four-tensor

  • Interior product
  • Mapping from p forms to p-1 forms

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Interior product

    Interior_product

  • Spinor
  • Non-tensorial representation of the spin group

    form on a complex vector space is equivalent to the standard one, this notation is often used whenever dimℂ(V) = n. If n = 2k is even, then Cℓn(ℂ) is isomorphic

    Spinor

    Spinor

    Spinor

  • Van der Waerden notation
  • Notation used for Weyl spinors

    In theoretical physics, Van der Waerden notation refers to the usage of two-component spinors (Weyl spinors) in four spacetime dimensions. This is standard

    Van der Waerden notation

    Van_der_Waerden_notation

  • Jorinde Voigt
  • German artist (born 1977)

    Voigt began making drawings that have been described as projection surfaces, visualized thought models, scientific experimental designs, notations, scores

    Jorinde Voigt

    Jorinde_Voigt

  • Pseudotensor
  • Type of physical quantity

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Pseudotensor

    Pseudotensor

  • Covariant transformation
  • Physics concept

    {x}^{i}}}} This is the explicit form of the covariant transformation rule. The notation of a normal derivative with respect to the coordinates sometimes uses a

    Covariant transformation

    Covariant transformation

    Covariant_transformation

  • Levi-Civita symbol
  • Antisymmetric permutation object acting on tensors

    lower case epsilon ε or ϵ, or less commonly the Latin lower case e. Index notation allows one to display permutations in a way compatible with tensor analysis:

    Levi-Civita symbol

    Levi-Civita_symbol

  • Affine connection
  • Construct allowing differentiation of tangent vector fields of manifolds

    Y]=\left(X^{j}\partial _{j}Y^{i}-Y^{j}\partial _{j}X^{i}\right)\partial _{i}} in Einstein notation. This is independent of coordinate system choice and ∂ i = ( ∂ ∂ ξ i )

    Affine connection

    Affine connection

    Affine_connection

  • Gluon field strength tensor
  • Second-rank tensor in quantum chromodynamics

    sum to be taken (e.g. "no sum"). Below the definitions (and most of the notation) follow K. Yagi, T. Hatsuda, Y. Miake and Greiner, Schäfer. The tensor

    Gluon field strength tensor

    Gluon field strength tensor

    Gluon_field_strength_tensor

  • Tensor bundle
  • Concept in mathematics

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Tensor bundle

    Tensor_bundle

  • Covariant formulation of classical electromagnetism
  • Ways of writing certain laws of physics

    equations, one for each value of β. Using the antisymmetric tensor notation and comma notation for the partial derivative (see Ricci calculus), the second equation

    Covariant formulation of classical electromagnetism

    Covariant formulation of classical electromagnetism

    Covariant_formulation_of_classical_electromagnetism

  • Spherical basis
  • Basis used to express spherical tensors

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Spherical basis

    Spherical_basis

  • General relativity
  • Theory of gravitation as curved spacetime

    is the stress–energy tensor. All tensors are written in abstract index notation. Matching the theory's prediction to observational results for planetary

    General relativity

    General relativity

    General_relativity

  • Tensors in curvilinear coordinates
  • second-order tensors in curvilinear coordinates are given in this section. The notation and contents are primarily from Ogden, Naghdi, Simmonds, Green and Zerna

    Tensors in curvilinear coordinates

    Tensors_in_curvilinear_coordinates

  • Introduction to the mathematics of general relativity
  • become smaller: 1 Kelvin per m becomes 0.001 Kelvin per mm. In Einstein notation, contravariant vectors and components of tensors are shown with superscripts

    Introduction to the mathematics of general relativity

    Introduction_to_the_mathematics_of_general_relativity

  • Symmetric tensor
  • Tensor invariant under permutations of vectors it acts on

    the operator is omitted: T1T2 = T1 ⊙ T2. In some cases an exponential notation is used: v ⊙ k = v ⊙ v ⊙ ⋯ ⊙ v ⏟ k  times = v ⊗ v ⊗ ⋯ ⊗ v ⏟ k  times =

    Symmetric tensor

    Symmetric_tensor

  • Tensor algebra
  • Universal construction in multilinear algebra

    was actually one and the same thing as ∇ {\displaystyle \nabla } ; and notational sloppiness here would lead to utter chaos. To strengthen this: the tensor

    Tensor algebra

    Tensor_algebra

  • Einstein tensor
  • Tensor used in general relativity

    tensor of order 2 defined over pseudo-Riemannian manifolds. In index-free notation it is defined as G = R − 1 2 g R , {\displaystyle {\boldsymbol {G}}={\boldsymbol

    Einstein tensor

    Einstein_tensor

  • Volume form
  • Differential form

    {\displaystyle \omega } is frequently used to denote the volume form, this notation is not universal; the symbol ω {\displaystyle \omega } often carries many

    Volume form

    Volume_form

  • Connection form
  • Math/physics concept

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Connection form

    Connection_form

  • Nonmetricity tensor
  • Covariant derivative of the metric tensor

    Y , Z {\displaystyle X,Y,Z} arbitrary vector fields. In abstract index notation, this reads Q a b c = ∇ a g b c {\displaystyle Q_{abc}=\nabla _{a}g_{bc}}

    Nonmetricity tensor

    Nonmetricity_tensor

  • Maxwell's equations in curved spacetime
  • Electromagnetism in general relativity

    square brackets indicate anti-symmetrization (see Ricci calculus for the notation). The covariant derivative of the electromagnetic field is F α β ; γ =

    Maxwell's equations in curved spacetime

    Maxwell's equations in curved spacetime

    Maxwell's_equations_in_curved_spacetime

  • Tensor product of modules
  • Operation that pairs a left and a right R-module into an abelian group

    _{R}N} ⁠. It is often called a pure tensor. Strictly speaking, the correct notation would be x ⊗R y but it is conventional to drop R here. Then, immediately

    Tensor product of modules

    Tensor_product_of_modules

  • Spin tensor
  • Spinning motion in theoretical physics

    {\mathfrak {se}}(d)} . This article uses Cartesian coordinates and tensor index notation. The Noether current for translations in space is momentum, while the current

    Spin tensor

    Spin_tensor

  • Mathematics of general relativity
  • General relativity articles using tensors will use the abstract index notation. The principle of general covariance was one of the central principles

    Mathematics of general relativity

    Mathematics_of_general_relativity

  • Differentiable curve
  • Study of curves from a differential point of view

    Penrose graphical notation Ricci calculus Tetrad (index notation) Van der Waerden notation Voigt notation Tensor definitions Tensor (intrinsic definition) Tensor

    Differentiable curve

    Differentiable_curve

  • Tensor operator
  • Tensor operator generalizes the notion of operators which are scalars and vectors

    which applies for any wavefunction, ensures the above equality. In Dirac notation: ⟨ ψ ¯ | V ^ a | ψ ¯ ⟩ = ⟨ ψ | U ( R ) † V ^ a U ( R ) | ψ ⟩ = ∑ b R a

    Tensor operator

    Tensor operator

    Tensor_operator

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VOIGT NOTATION

Online names & meanings

  • Ajendranath
  • Boy/Male

    Hindu, Indian, Traditional

    Ajendranath

    Powerful Like God to Create Anything

  • Aakriti
  • Boy/Male

    Hindu, Indian

    Aakriti

    Shape

  • Yashovarman
  • Boy/Male

    Hindu

    Yashovarman

    Victorious, Glorious, Famous, Successful

  • Mahdiyah
  • Girl/Female

    Arabic, Muslim

    Mahdiyah

    Rightly Guided by Allah

  • Spurlock
  • Surname or Lastname

    English (Somerset)

    Spurlock

    English (Somerset) : unexplained.

  • Dharmadhatu
  • Boy/Male

    Buddhist, Indian, Sanskrit

    Dharmadhatu

    Made of the Different Metals of Law

  • Waliyah
  • Girl/Female

    Arabic, Muslim, Sindhi

    Waliyah

    Princess; Friend

  • Absyrtus
  • Boy/Male

    Greek Latin

    Absyrtus

    Brother of Medea.

  • Kelcie
  • Girl/Female

    Irish

    Kelcie

    Brave.

  • Hetani
  • Girl/Female

    Hindu, Indian

    Hetani

    Strong

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VOIGT NOTATION

  • Notation
  • n.

    The act or practice of recording anything by marks, figures, or characters.

  • Phonetic
  • a.

    Representing sounds; as, phonetic characters; -- opposed to ideographic; as, a phonetic notation.

  • Nonillion
  • n.

    According to the French and American notation, a thousand octillions, or a unit with thirty ciphers annexed; according to the English notation, a million octillions, or a unit with fifty-four ciphers annexed. See the Note under Numeration.

  • Fluxion
  • n.

    A method of analysis developed by Newton, and based on the conception of all magnitudes as generated by motion, and involving in their changes the notion of velocity or rate of change. Its results are the same as those of the differential and integral calculus, from which it differs little except in notation and logical method.

  • Symbolism
  • n.

    The practice of using symbols, or the system of notation developed thereby.

  • Decillion
  • n.

    According to the English notation, a million involved to the tenth power, or a unit with sixty ciphers annexed; according to the French and American notation, a thousand involved to the eleventh power, or a unit with thirty-three ciphers annexed. [See the Note under Numeration.]

  • Trillion
  • n.

    According to the French notation, which is used upon the Continent generally and in the United States, the number expressed by a unit with twelve ciphers annexed; a million millions; according to the English notation, the number produced by involving a million to the third power, or the number represented by a unit with eighteen ciphers annexed. See the Note under Numeration.

  • Romic
  • n.

    A method of notation for all spoken sounds, proposed by Mr. Sweet; -- so called because it is based on the common Roman-letter alphabet. It is like the palaeotype of Mr. Ellis in the general plan, but simpler.

  • Notation
  • n.

    Literal or etymological signification.

  • Notation
  • n.

    Any particular system of characters, symbols, or abbreviated expressions used in art or science, to express briefly technical facts, quantities, etc. Esp., the system of figures, letters, and signs used in arithmetic and algebra to express number, quantity, or operations.

  • Grace
  • n.

    Ornamental notes or short passages, either introduced by the performer, or indicated by the composer, in which case the notation signs are called grace notes, appeggiaturas, turns, etc.

  • Music
  • n.

    The written and printed notation of a musical composition; the score.

  • Crotcheted
  • a.

    Marked or measured by crotchets; having musical notation.

  • Algorithm
  • n.

    The art of calculating with any species of notation; as, the algorithms of fractions, proportions, surds, etc.

  • Decimal
  • a.

    Of or pertaining to decimals; numbered or proceeding by tens; having a tenfold increase or decrease, each unit being ten times the unit next smaller; as, decimal notation; a decimal coinage.

  • Quintilllion
  • n.

    According to the French notation, which is used on the Continent and in America, the cube of a million, or a unit with eighteen ciphers annexed; according to the English notation, a number produced by involving a million to the fifth power, or a unit with thirty ciphers annexed. See the Note under Numeration.

  • Clef
  • n.

    A character used in musical notation to determine the position and pitch of the scale as represented on the staff.

  • Quadrillion
  • n.

    According to the French notation, which is followed also upon the Continent and in the United States, a unit with fifteen ciphers annexed; according to the English notation, the number produced by involving a million to the fourth power, or the number represented by a unit with twenty-four ciphers annexed. See the Note under Numeration.

  • Specification
  • n.

    The act of specifying or determining by a mark or limit; notation of limits.

  • Time-table
  • n.

    A table showing the notation, length, or duration of the several notes.