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Metric signature
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In mathematics, the signature of a metric tensor g (or equivalently, a real quadratic form thought of as a real symmetric bilinear form on a finite-dimensionalCarleman matrix (2,942 words) [view diff] exact match in snippet view article find links to article
basis) If { e n ( x ) } n {\displaystyle \{e_{n}(x)\}_{n}} is an orthonormal basis for a Hilbert Space with a defined inner product ⟨ f , g ⟩ {\displaystyleOrthonormal function system (40 words) [view diff] exact match in snippet view article find links to article
An orthonormal function system (ONS) is an orthonormal basis in a vector space of functions. Melzak, Z. A. (2012), Companion to Concrete Mathematics,Roothaan equations (325 words) [view diff] exact match in snippet view article find links to article
equations are a representation of the Hartree–Fock equation in a non orthonormal basis set which can be of Gaussian-type or Slater-type. It applies to closed-shellArnoldi iteration (1,842 words) [view diff] exact match in snippet view article find links to article
eigenvectors of general (possibly non-Hermitian) matrices by constructing an orthonormal basis of the Krylov subspace, which makes it particularly useful when dealingCross product (11,568 words) [view diff] exact match in snippet view article find links to article
{red}{j}} ,\mathbf {\color {green}{k}} )} is a positively oriented orthonormal basis, the basis vectors satisfy the following equalities i × j = k j ×Strömberg wavelet (889 words) [view diff] exact match in snippet view article find links to article
discovery of Strömberg wavelet and Strömberg's motivation was to find an orthonormal basis for the Hardy spaces. Let m be any non-negative integer. Let V beFarrell–Markushevich theorem (560 words) [view diff] exact match in snippet view article find links to article
Jordan curve. The Gram–Schmidt process can be used to construct an orthonormal basis in the Bergman space and hence an explicit form of the Bergman kernelPhilip Franklin (612 words) [view diff] exact match in snippet view article find links to article
four-colored. In 1928, Franklin gave the first description of an orthonormal basis for L²([0,1]) consisting of continuous functions (now known as "Franklin'sMaximal compact subgroup (1,772 words) [view diff] exact match in snippet view article find links to article
(compact) orthogonal group (its isometry group) – and that it admits an orthonormal basis: the change of basis defines the conjugating element conjugating theLaplace–Beltrami operator (3,344 words) [view diff] exact match in snippet view article find links to article
n pure second derivatives of f with respect to each vector of an orthonormal basis for Rn. Like the Laplacian, the Laplace–Beltrami operator is definedFermi coordinates (693 words) [view diff] exact match in snippet view article find links to article
to γ {\displaystyle \gamma } are constructed this way. Consider an orthonormal basis of T M {\displaystyle TM} with e 0 {\displaystyle e_{0}} parallelSchur class (892 words) [view diff] exact match in snippet view article find links to article
that it generates n + 1 orthogonal polynomials which can be used as orthonormal basis functions to expand any nth-order polynomial. It is closely relatedPrimon gas (1,318 words) [view diff] exact match in snippet view article find links to article
such systems to string theory. Consider a Hilbert space H with an orthonormal basis of states | p ⟩ {\displaystyle |p\rangle } labelled by the prime numbersQutrit (1,358 words) [view diff] exact match in snippet view article find links to article
computers using qutrits and qudits in general. A qutrit has three orthonormal basis states or vectors, often denoted | 0 ⟩ {\displaystyle |0\rangle }Spinor (9,924 words) [view diff] exact match in snippet view article find links to article
and the elements of a spinor space are spinors. After choosing an orthonormal basis of Euclidean space, a representation of the Clifford algebra is generatedBlock transform (1,501 words) [view diff] exact match in snippet view article find links to article
single orthonormal basis of L 2 [ 0 , 1 ] {\displaystyle L^{2}[0,1]} . if { e k } k ∈ Z {\displaystyle \{e_{k}\}_{k\in \mathbb {Z} }} is an orthonormal basisAngles between flats (3,032 words) [view diff] exact match in snippet view article find links to article
{\displaystyle {\hat {z}}_{1},\dots ,{\hat {z}}_{\tau }} form an orthonormal basis for F {\displaystyle F} and the vectors y ^ 1 , … , y ^ σ , {\displaystyleFunctional principal component analysis (2,151 words) [view diff] exact match in snippet view article find links to article
a random function is represented in the eigenbasis, which is an orthonormal basis of the Hilbert space L2 that consists of the eigenfunctions of theCompact group (4,472 words) [view diff] exact match in snippet view article find links to article
corollary of the Peter–Weyl theorem, is that the characters form an orthonormal basis for the set of square-integrable class functions in K. A second keyFredholm operator (1,476 words) [view diff] exact match in snippet view article find links to article
U\in B(X,Y)} . Let H {\displaystyle H} be a Hilbert space with an orthonormal basis { e n } {\displaystyle \{e_{n}\}} indexed by the non negative integersKCBS pentagram (404 words) [view diff] exact match in snippet view article find links to article
. How was it done? Each pentagram is a 3D quantum system with an orthonormal basis { | A ⟩ , | B ⟩ , | C ⟩ } {\displaystyle \left\{|A\rangle ,|B\rangleCommutator subspace (1,881 words) [view diff] exact match in snippet view article find links to article
in J where diag(μ(A)) is the diagonalisation of A in an arbitrary orthonormal basis of the separable Hilbert space H. In any two-sided ideal satisfyingList of wavelet-related transforms (170 words) [view diff] exact match in snippet view article find links to article
wavelet transform, the downsampling is omitted Newland transform, an orthonormal basis of wavelets is formed from appropriately constructed top-hat filtersDual lattice (1,857 words) [view diff] exact match in snippet view article find links to article
e_{i}} is an orthonormal basis of span ( L ) {\textstyle {\text{span}}(L)} . (Equivalently, one can declare that, for an orthonormal basis e i {\textstyleCalkin correspondence (753 words) [view diff] exact match in snippet view article find links to article
sequence space j within l∞ can be embedded in B(H) using an arbitrary orthonormal basis {en }n=0∞. Associate to a sequence a from j the bounded operator dJacobi field (1,433 words) [view diff] exact match in snippet view article find links to article
{\gamma }}(0)/|{\dot {\gamma }}(0)|} and complete this to get an orthonormal basis { e i ( 0 ) } {\displaystyle {\big \{}e_{i}(0){\big \}}} at T γ (Electron-on-helium qubit (2,405 words) [view diff] exact match in snippet view article find links to article
An electron-on-helium qubit is a quantum bit for which the orthonormal basis states |0⟩ and |1⟩ are defined by quantized motional states or alternativelyPetersson inner product (361 words) [view diff] exact match in snippet view article find links to article
space of cusp forms of level Γ 0 {\displaystyle \Gamma _{0}} has an orthonormal basis consisting of simultaneous eigenfunctions for the Hecke operatorsCompositional data (1,971 words) [view diff] exact match in snippet view article find links to article
e 1 , … , e D − 1 {\displaystyle e_{1},\ldots ,e_{D-1}} forms an orthonormal basis in the simplex. The values x i ∗ , i = 1 , 2 , … , D − 1 {\displaystyleRiesz–Fischer theorem (1,885 words) [view diff] exact match in snippet view article find links to article
A}|\langle x,y\rangle |^{2}\leq \|x\|^{2}.} Furthermore, if A is an orthonormal basis for H and x an arbitrary vector, the series ∑ y ∈ A ⟨ x , y ⟩ y {\displaystyleDual representation (1,699 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \rho } of a group G {\displaystyle G} , and let us work in an orthonormal basis. Thus, ρ {\displaystyle \rho } maps G {\displaystyle G} into the groupQuantum statistical mechanics (1,323 words) [view diff] exact match in snippet view article find links to article
operator S can be diagonalized, that it can be represented in some orthonormal basis by a (possibly infinite) matrix of the form [ λ 1 0 ⋯ 0 ⋯ 0 λ 2 ⋯Classical group (7,794 words) [view diff] exact match in snippet view article find links to article
form in (pseudo-)orthonormal basis: φ ( x , y ) = ± ξ 1 η 1 ± ξ 2 η 2 ± ⋯ ± ξ n η n , ( R ) Bilinear symmetric form in orthonormal basis: φ ( x , y ) =Hitchin–Thorpe inequality (919 words) [view diff] exact match in snippet view article find links to article
manifold which is Einstein. Given any point p of M, there exists a gp-orthonormal basis e1, e2, e3, e4 of the tangent space TpM such that the curvature operatorComplexification (Lie group) (7,216 words) [view diff] exact match in snippet view article
an orthonormal basis of V and let g be an element in GL(V). Applying the Gram–Schmidt process to ge1, ..., gen, there is a unique orthonormal basis f1Uniformly hyperfinite algebra (598 words) [view diff] exact match in snippet view article find links to article
defined as follows: let H be a separable complex Hilbert space H with orthonormal basis fn and L(H) the bounded operators on H, consider a linear map α :Qubit (4,915 words) [view diff] exact match in snippet view article find links to article
of a qubit can be represented by a linear superposition of its two orthonormal basis states (or basis vectors). These vectors are usually denoted as |Clifford analysis (3,393 words) [view diff] exact match in snippet view article find links to article
_{j=1}^{n}e_{j}{\frac {\partial }{\partial x_{j}}}} where e1, ..., en is an orthonormal basis for Rn, and Rn is considered to be embedded in a complex CliffordConjugate transpose (1,702 words) [view diff] exact match in snippet view article find links to article
generalization of the conjugate transpose of matrices with respect to an orthonormal basis. Another generalization is available: suppose A {\displaystyle A}Direction cosine (851 words) [view diff] exact match in snippet view article find links to article
useful for forming direction cosine matrices that express one set of orthonormal basis vectors in terms of another set, or for expressing a known vectorDirection cosine (851 words) [view diff] exact match in snippet view article find links to article
useful for forming direction cosine matrices that express one set of orthonormal basis vectors in terms of another set, or for expressing a known vectorConjugate transpose (1,702 words) [view diff] exact match in snippet view article find links to article
generalization of the conjugate transpose of matrices with respect to an orthonormal basis. Another generalization is available: suppose A {\displaystyle A}Stokes' theorem (4,858 words) [view diff] exact match in snippet view article find links to article
for the Jacobian matrix of ψ at y = γ(t). Now let {eu, ev} be an orthonormal basis in the coordinate directions of R2. Recognizing that the columns ofSolder form (965 words) [view diff] exact match in snippet view article find links to article
coordinate charts on the spacetime manifold, to the preferred, usually orthonormal basis on the tangent space, where calculations can be considerably simplifiedMinkowski space (10,458 words) [view diff] exact match in snippet view article find links to article
Together with spacelike vectors, there are 6 classes in all. An orthonormal basis for Minkowski space necessarily consists of one timelike and threeQuantum state purification (1,198 words) [view diff] exact match in snippet view article find links to article
_{i}{\sqrt {p_{i}}}|\phi _{i}\rangle \otimes |a_{i}\rangle } for some orthonormal basis { | a i ⟩ } i ⊂ H A {\displaystyle \{|a_{i}\rangle \}_{i}\subset {\mathcalStokes operator (520 words) [view diff] exact match in snippet view article find links to article
respect to the L 2 {\displaystyle L^{2}} inner product. It has an orthonormal basis of eigenfunctions { w k } k = 1 ∞ {\displaystyle \{w_{k}\}_{k=1}^{\inftyDunford–Pettis property (622 words) [view diff] exact match in snippet view article find links to article
definition may appear counterintuitive at first, but consider an orthonormal basis e n {\displaystyle e_{n}} of an infinite-dimensional, separable HilbertCreation and annihilation operators (4,463 words) [view diff] exact match in snippet view article find links to article
operators of the quantum harmonic oscillator with respect to the above orthonormal basis is a † = ( 0 0 0 0 … 0 … 1 0 0 0 … 0 … 0 2 0 0 … 0 … 0 0 3 0 … 0 …Formal calculation (885 words) [view diff] exact match in snippet view article find links to article
(\mathbf {i} ,\mathbf {j} ,\mathbf {k} )} is a positively oriented orthonormal basis of a three-dimensional oriented Euclidean vector space, while a 1Resolvent formalism (871 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \sigma (A)\subset \mathbb {R} } and there exists an orthonormal basis { v i } i ∈ N {\displaystyle \{v_{i}\}_{i\in \mathbb {N} }} of eigenvectorsSchwarzschild metric (5,197 words) [view diff] exact match in snippet view article find links to article
quantities, it is useful to express the curvature tensor in an orthonormal basis. In an orthonormal basis of an observer the non-zero components in geometric unitsMin-entropy (2,716 words) [view diff] exact match in snippet view article find links to article
_{B}^{x},} where { | x ⟩ } {\displaystyle \{|x\rangle \}} form an orthonormal basis. We would like to know what the agent can learn about the classicalLinear algebra (7,974 words) [view diff] exact match in snippet view article find links to article
between the two vectors. Two vectors are orthogonal if ⟨u, v⟩ = 0. An orthonormal basis is a basis where all basis vectors have length 1 and are orthogonalSchatten norm (1,142 words) [view diff] exact match in snippet view article find links to article
, ( f k ′ ) k ′ {\displaystyle (e_{k})_{k},(f_{k'})_{k'}} be two orthonormal basis of the Hilbert spaces H 1 , H 2 {\displaystyle H_{1},H_{2}} , thenGeometric algebra (13,801 words) [view diff] exact match in snippet view article find links to article
{\displaystyle V} is a blade that is the product of the members of an orthonormal basis for W {\displaystyle W} . It can be shown that if I {\displaystyleOvercompleteness (2,792 words) [view diff] exact match in snippet view article find links to article
i } i = 1 ∞ {\displaystyle \{\beta _{i}\}_{i=1}^{\infty }} be an orthonormal basis of H {\displaystyle {\mathcal {H}}} , then { ϕ i } i = 1 ∞ = { α iWirtinger inequality (2-forms) (981 words) [view diff] exact match in snippet view article
..., v2k be fixed, and let T denote their span. Then there is an orthonormal basis e1, ..., e2k of T with dual basis w1, ..., w2k such that ι ∗ ω = ∑Least-squares function approximation (945 words) [view diff] exact match in snippet view article find links to article
B=\{{\vec {w}}_{1},{\vec {w}}_{2},\dots ,{\vec {w}}_{n}\}} is an orthonormal basis for W {\displaystyle W} . Cornelius Lanczos (1988). Applied analysisHolevo's theorem (2,102 words) [view diff] exact match in snippet view article find links to article
\nolimits _{x=1}^{n}p_{x}|x\rangle \langle x|} with respect to some orthonormal basis { | x ⟩ } x = 1 n {\displaystyle \{|x\rangle \}_{x=1}^{n}} . By writingContinuum mechanics (7,422 words) [view diff] exact match in snippet view article find links to article
and e i {\displaystyle \mathbf {e} _{i}} are the components of an orthonormal basis in the current configuration. Also, ∇ ∘ v = ∑ i , j = 1 3 ∂ v i ∂Lanczos algorithm (8,287 words) [view diff] exact match in snippet view article find links to article
power iteration with a Gram–Schmidt process, to instead produce an orthonormal basis of these Krylov subspaces. Pick a random vector u 1 {\displaystyleNumerical continuation (3,831 words) [view diff] exact match in snippet view article find links to article
Jacobian. If the columns of the matrix Φ {\displaystyle \Phi } are an orthonormal basis for the null space of J = [ F x F λ ] {\displaystyleEigenvalue algorithm (4,870 words) [view diff] exact match in snippet view article find links to article
are orthogonal to each other. For any normal matrix A, Cn has an orthonormal basis consisting of eigenvectors of A. The corresponding matrix of eigenvectorsMalliavin calculus (2,660 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \Omega } . A construction can be done as follows: choose an orthonormal basis in H {\displaystyle {\mathcal {H}}} , let τ α ( x ) = x + α {\displaystyleRotations in 4-dimensional Euclidean space (5,718 words) [view diff] exact match in snippet view article find links to article
inner product over the real numbers onto itself. With respect to an orthonormal basis in such a space SO(4) is represented as the group of real 4th-orderKuiper's theorem (1,035 words) [view diff] exact match in snippet view article find links to article
non-trivially only on a subspace spanned by the first N of a fixed orthonormal basis {ei}, for some N, being the identity on the remaining basis vectorsConformal welding (1,128 words) [view diff] exact match in snippet view article find links to article
classic monograph (Gakhov (1990)). Let en(θ) = einθ be the standard orthonormal basis of L2(T). Let H2(T) be Hardy space, the closed subspace spanned byNaimark's dilation theorem (1,489 words) [view diff] exact match in snippet view article find links to article
_{i=1}^{n}x_{i}x_{i}^{*}=I} if and only if { x i } {\displaystyle \{x_{i}\}} is an orthonormal basis), n > m {\displaystyle n>m} and { E i } {\displaystyle \{E_{i}\}}Fubini–Study metric (5,285 words) [view diff] exact match in snippet view article find links to article
where { | e k ⟩ } {\displaystyle \{\vert e_{k}\rangle \}} is a set of orthonormal basis vectors for Hilbert space, the Z k {\displaystyle Z_{k}} are complexElliptic operator (2,093 words) [view diff] exact match in snippet view article find links to article
Eigenvalues of L, are real, positive, countable, unbounded (2) There is an orthonormal basis of L2(U) composed of eigenvectors of L. (See Spectral theorem.) GeneratesGeneralized functional linear model (2,869 words) [view diff] exact match in snippet view article find links to article
method is to expand the predictor function X {\displaystyle X} in an orthonormal basis of L2 space, the Hilbert space of square integrable functions withConvolution (8,819 words) [view diff] exact match in snippet view article find links to article
of normal operators. According to spectral theory, there exists an orthonormal basis {hk} that simultaneously diagonalizes S. This characterizes convolutionsDeformation (physics) (3,077 words) [view diff] exact match in snippet view article
translation. In matrix form, where the components are with respect to an orthonormal basis, [ x 1 ( X 1 , X 2 , X 3 , t ) x 2 ( X 1 , X 2 , X 3 , t ) x 3 ( XArtin L-function (2,047 words) [view diff] exact match in snippet view article find links to article
is replaced by n/e at the ramified primes. Since characters are an orthonormal basis of the class functions, after showing some analytic properties ofSymplectic vector space (2,275 words) [view diff] exact match in snippet view article find links to article
way. Let w 1 , . . . , w m {\displaystyle w_{1},...,w_{m}} be an orthonormal basis (with respect to the usual inner product on R n {\displaystyle \mathbbFour-tensor (1,365 words) [view diff] exact match in snippet view article find links to article
^{2}}}}={\frac {dt}{d\tau }}} The Minkowski metric tensor with an orthonormal basis for the (−+++) convention is η μ ν = ( − 1 0 0 0 0 1 0 0 0 0 1 0 0Pseudo-spectral method (2,505 words) [view diff] exact match in snippet view article find links to article
Under these conditions, the ϕ n {\displaystyle \phi _{n}} form an orthonormal basis with respect to the scalar product ⟨ f , g ⟩ = ∫ a b f ( x ) g ( xTriad method (963 words) [view diff] exact match in snippet view article find links to article
matrices involved in computing attitude are each composed of a TRIAD of orthonormal basis vectors. "TRIAD" derives its name from this observation. It is ofNuclear operators between Banach spaces (1,268 words) [view diff] exact match in snippet view article find links to article
important property that a trace operation may be defined. Given an orthonormal basis { ψ n } {\displaystyle \{\psi _{n}\}} for the Hilbert space, the traceSpectral theory of ordinary differential equations (9,399 words) [view diff] exact match in snippet view article find links to article
to infinity. The corresponding normalised eigenfunctions form an orthonormal basis of H0. The k-th eigenvalue of D is given by the minimax principleUniversal multiport interferometer (4,174 words) [view diff] exact match in snippet view article find links to article
mirror cavities. To continue, a set of orthonormal modes forms an orthonormal basis which spans a modal space, or Hilbert space. The transformation fromDirect sum of modules (3,556 words) [view diff] exact match in snippet view article find links to article
This is equivalent to the assertion that every Hilbert space has an orthonormal basis. More generally, every closed subspace of a Hilbert space is complementedNonstandard analysis (3,978 words) [view diff] exact match in snippet view article find links to article
in H under the iterates of T. Applying Gram–Schmidt one obtains an orthonormal basis (ei) for H. Let (Hi) be the corresponding nested sequence of "coordinate"Wess–Zumino–Witten model (3,665 words) [view diff] exact match in snippet view article find links to article
Σ {\displaystyle \Sigma } , { t a } {\displaystyle \{t^{a}\}} an orthonormal basis (with respect to the Killing form) of the Lie algebra of G {\displaystyleInvariant convex cone (3,569 words) [view diff] exact match in snippet view article find links to article
operator. An orthonormal basis can be chosen so that T has 2 × 2 skew-symmetric matrices down the diagonal. Scaling the orthonormal basis, it follows thatJacobi polynomials (2,449 words) [view diff] exact match in snippet view article find links to article
above, when n = m {\displaystyle n=m} . Although it does not yield an orthonormal basis, an alternative normalization is sometimes preferred due to its simplicity:Expander mixing lemma (2,171 words) [view diff] exact match in snippet view article find links to article
v 1 , … , v n } {\displaystyle \{v_{1},\ldots ,v_{n}\}} forms an orthonormal basis of R n {\displaystyle \mathbf {R} ^{n}} . Let J {\displaystyle J}Min-max theorem (4,542 words) [view diff] exact match in snippet view article find links to article
to ∑ i v i ∗ A v i {\textstyle \sum _{i}v_{i}^{*}Av_{i}} given an orthonormal basis of V {\textstyle V} . Wielandt minimax formula (: 44 )—Let 1 ≤ i 1Density matrix (5,446 words) [view diff] exact match in snippet view article find links to article
density matrix is obtained from the density operator by a choice of an orthonormal basis in the underlying space. In practice, the terms density matrix andBell state (2,848 words) [view diff] exact match in snippet view article find links to article
possible with classical mechanics. In addition, the Bell states form an orthonormal basis and can therefore be defined with an appropriate measurement. BecauseDensity matrix (5,446 words) [view diff] exact match in snippet view article find links to article
density matrix is obtained from the density operator by a choice of an orthonormal basis in the underlying space. In practice, the terms density matrix andDiscrete wavelet transform (5,217 words) [view diff] exact match in snippet view article find links to article
(where downsampling is omitted), and the Newland transform (where an orthonormal basis of wavelets is formed from appropriately constructed top-hat filtersBloch sphere (3,793 words) [view diff] exact match in snippet view article find links to article
ray of spinors mapping to one point on the Bloch sphere. Given an orthonormal basis, any pure state | ψ ⟩ {\displaystyle |\psi \rangle } of a two-levelTensor derivative (continuum mechanics) (9,085 words) [view diff] exact match in snippet view article
{A}})~\left[{\boldsymbol {A}}^{-1}\right]^{\textsf {T}}~.} In an orthonormal basis, the components of A {\displaystyle {\boldsymbol {A}}} can be writtenInertial manifold (1,941 words) [view diff] exact match in snippet view article find links to article
{\displaystyle f:D(A)\to H} . Typically, elementary spectral theory gives an orthonormal basis of H {\displaystyle H} consisting of eigenvectors v j {\displaystyleGrunsky matrix (6,334 words) [view diff] exact match in snippet view article find links to article
spectral theorem for compact self-adjoint operators, there is an orthonormal basis un of H consisting of eigenvectors of A: A u n = μ n u n , {\displaystyleGroup ring (3,985 words) [view diff] exact match in snippet view article find links to article
} If K = C, the set of irreducible characters of G forms an orthonormal basis of Z(K[G]) with respect to the inner product ⟨ ∑ g ∈ G a g g , ∑ gQuantum operation (2,831 words) [view diff] exact match in snippet view article find links to article
observable A has a pure point spectrum, it can be written in terms of an orthonormal basis of eigenvectors. That is, A has a spectral decomposition A = ∑ λ λFunctional data analysis (6,704 words) [view diff] exact match in snippet view article find links to article
functions β {\displaystyle \beta } and γ {\displaystyle \gamma } in an orthonormal basis. A functional multiple index model is given as below, with symbolsGroup actions in computational anatomy (1,544 words) [view diff] exact match in snippet view article find links to article
there principle eigenvector. For tensor fields a positively oriented orthonormal basis I ( x ) = ( I 1 ( x ) , I 2 ( x ) , I 3 ( x ) ) {\displaystyle I(x)=(I_{1}(x)Fourier transform (21,314 words) [view diff] exact match in snippet view article find links to article
oscillator. The corresponding solutions provide an important choice of an orthonormal basis for L2(R) and are given by the "physicist's" Hermite functions. EquivalentlyHidden subgroup problem (2,031 words) [view diff] exact match in snippet view article find links to article
orthogonality of characters. The characters of G {\displaystyle G} form an orthonormal basis: 1 | H | ∑ h ∈ H χ g ( h ) χ g ′ ( h ) = { 1 g = g ′ 0 g ≠ g ′ {\displaystyleQuantum Fourier transform (3,302 words) [view diff] exact match in snippet view article find links to article
gates and the controlled version of R k {\displaystyle R_{k}} : An orthonormal basis consists of the basis states | 0 ⟩ , … , | 2 n − 1 ⟩ . {\displaystyle9-j symbol (2,054 words) [view diff] exact match in snippet view article find links to article
(j_{2}j_{5})j_{8})j_{9}m_{9}\rangle .} Both sets of functions provide a complete, orthonormal basis for the space with dimension ( 2 j 1 + 1 ) ( 2 j 2 + 1 ) ( 2 j 4 +Pseudovector (4,332 words) [view diff] exact match in snippet view article find links to article
normal to their plane given by c = a × b. Given a set of right-handed orthonormal basis vectors { eℓ }, the cross product is expressed in terms of its componentsDirac equation in curved spacetime (2,309 words) [view diff] exact match in snippet view article find links to article
The covariant derivative D μ ψ {\displaystyle D_{\mu }\psi } in an orthonormal basis uses the orthonormal frame { e μ } {\displaystyle \{e_{\mu }\}} toOscillator representation (21,532 words) [view diff] exact match in snippet view article find links to article
dxdy.} F {\displaystyle {\mathcal {F}}} is a Hilbert space with orthonormal basis e n ( z ) = z n n ! , n ≥ 0. {\displaystyle e_{n}(z)={z^{n} \overWhite noise analysis (1,915 words) [view diff] exact match in snippet view article find links to article
{R} ^{n},e^{-{\frac {1}{2}}x^{2}}d^{n}x)} to infinite dimension. An orthonormal basis in this Hilbert space, generalizing that of Hermite polynomials, isBiharmonic map (2,297 words) [view diff] exact match in snippet view article find links to article
bundle f *TN → M. In the equation, e1, ..., em is an arbitrary g-orthonormal basis of the tangent space to M and Rh is the Riemann curvature tensor,Schur polynomial (3,773 words) [view diff] exact match in snippet view article find links to article
is the Hall inner product, for which the Schur polynomials form an orthonormal basis. Similar to the ordinary Schur polynomials, there are numerous waysAbsolute convergence (5,193 words) [view diff] exact match in snippet view article find links to article
where { e n } n = 1 ∞ {\displaystyle \{e_{n}\}_{n=1}^{\infty }} is an orthonormal basis. A theorem of A. Dvoretzky and C. A. Rogers asserts that every infinite-dimensionalCoherent states in mathematical physics (5,762 words) [view diff] exact match in snippet view article find links to article
eigenvectors | n ⟩ {\displaystyle |n\rangle } , which we assume to form an orthonormal basis for the Hilbert space of states H {\displaystyle {\mathfrak {H}}}Ricci curvature (5,863 words) [view diff] exact match in snippet view article find links to article
fixed Y {\displaystyle Y} and Z {\displaystyle Z} , then for any orthonormal basis v 1 , … , v n {\displaystyle v_{1},\ldots ,v_{n}} of the vector spaceWeyl character formula (3,622 words) [view diff] exact match in snippet view article find links to article
K} and the Peter–Weyl theorem asserts that the characters form an orthonormal basis for the space of square-integrable class functions on K {\displaystyleKnizhnik–Zamolodchikov equations (3,059 words) [view diff] exact match in snippet view article find links to article
representation of g {\displaystyle {\mathfrak {g}}} . If (Xs) is an orthonormal basis of g {\displaystyle {\mathfrak {g}}} for the Killing form, theIngrid Daubechies (3,507 words) [view diff] exact match in snippet view article find links to article
1996. I. Daubechies, S. Jaffard, and J.L. Journe, A simple Wilson orthonormal basis with exponential decay, SIAM J. Math. Anal., 22 (2), pp. 554–572,Structure constants (3,713 words) [view diff] exact match in snippet view article find links to article
it consists of those elements that commute with one-another. An orthonormal basis can be freely chosen on h {\displaystyle {\mathfrak {h}}} ; writeReflexive space (6,409 words) [view diff] exact match in snippet view article find links to article
can be chosen to be the operators diagonal with respect to a given orthonormal basis of H . {\displaystyle H.} Since every finite-dimensional normed spaceBrauer algebra (2,655 words) [view diff] exact match in snippet view article find links to article
v_{n}} where w 1 , … , w d {\displaystyle w_{1},\ldots ,w_{d}} is any orthonormal basis of V {\displaystyle V} . (The sum is in fact independent of the choiceOblate spheroidal coordinates (3,478 words) [view diff] exact match in snippet view article find links to article
factors into the general formulae found in orthogonal coordinates. The orthonormal basis vectors for the μ , ν , ϕ {\displaystyle \mu ,\nu ,\phi } coordinateAxiom of choice (7,917 words) [view diff] exact match in snippet view article find links to article
of linear functionals. The theorem that every Hilbert space has an orthonormal basis. The Banach–Alaoglu theorem about compactness of sets of functionalsCarter constant (2,666 words) [view diff] exact match in snippet view article find links to article
{\hat {\phi }}}=r\sin \theta \,{\boldsymbol {d\phi }}} represent an orthonormal basis, the Hodge dual of L {\displaystyle \mathbf {L} } is the one formMaximum principle (3,699 words) [view diff] exact match in snippet view article find links to article
all eigenvalues of the matrix [aij(x)] are real, and there is an orthonormal basis of ℝn consisting of eigenvectors. Denote the eigenvalues by λi andTime-evolving block decimation (7,004 words) [view diff] exact match in snippet view article find links to article
vectors | Φ i A ⟩ {\displaystyle |{\Phi _{i}^{A}}\rangle } that make an orthonormal basis in H A {\displaystyle H_{A}} and, correspondingly, vectors | Φ i BLieb–Oxford inequality (1,882 words) [view diff] exact match in snippet view article find links to article
{i} k\cdot x}}{\sqrt {|\Lambda |}}},} where χ1, ..., χq forms an orthonormal basis of ℂq. The allowed values of k ∈ ℝ3 are n/|Λ|1⁄3 with n ∈ ℤ3 +. ForGent hyperelastic model (1,974 words) [view diff] exact match in snippet view article find links to article
2 {\displaystyle \mathbf {e} _{1},\mathbf {e} _{2}} are reference orthonormal basis vectors in the plane of deformation and the shear deformation is givenInfeld–Van der Waerden symbols (1,566 words) [view diff] exact match in snippet view article find links to article
Pauli matrices, hence the σ {\displaystyle \sigma } notation. In an orthonormal basis with a standard spin frame, the conventional components are σ 0 αSpectrum (functional analysis) (5,808 words) [view diff] exact match in snippet view article
{\displaystyle {\big (}e_{j}{\big )}_{j\in \mathbb {N} }} is the standard orthonormal basis in l 2 ( Z ) {\displaystyle l^{2}(\mathbb {Z} )} . Direct calculationQuantum decoherence (10,535 words) [view diff] exact match in snippet view article find links to article
orthogonal, and there is no entanglement initially. Also, choose an orthonormal basis { | e i ⟩ } i {\displaystyle \{|e_{i}\rangle \}_{i}} for H A {\displaystyleSymmetric space (4,599 words) [view diff] exact match in snippet view article find links to article
functional, and it is self-adjoint, and so one concludes that there is an orthonormal basis Y 1 , … , Y n {\displaystyle Y_{1},\ldots ,Y_{n}} of m {\displaystyleDifferentiable manifold (9,497 words) [view diff] exact match in snippet view article find links to article
{\displaystyle v,J(v)} is an oriented g p {\displaystyle g_{p}} -orthonormal basis of T p M . {\displaystyle T_{p}M.} A Lie group consists of a C∞ manifoldOrthogonal coordinates (3,368 words) [view diff] exact match in snippet view article find links to article
The dot product in Cartesian coordinates (Euclidean space with an orthonormal basis set) is simply the sum of the products of components. In orthogonalQuantum entanglement (13,888 words) [view diff] exact match in snippet view article find links to article
} These four pure states are all maximally entangled and form an orthonormal basis of the Hilbert space of the two qubits.: 38–39 : 98 They provideAharonov–Jones–Landau algorithm (2,506 words) [view diff] exact match in snippet view article find links to article
the vector space which has Q n , k {\displaystyle Q_{n,k}} as an orthonormal basis. We choose define a linear map τ : T L n ( d ) → V n , k {\displaystyleMoore–Penrose inverse (7,644 words) [view diff] exact match in snippet view article find links to article
identity for the standard Moore-Penrose inverse, which assumes an orthonormal basis in both spaces. In order to solve more general least-squares problemsQuantum teleportation (11,057 words) [view diff] exact match in snippet view article find links to article
Bell measurement by a measurement defined by a maximally entangled orthonormal basis. All possible such generalizations were discussed by Werner in 2001Clebsch–Gordan coefficients (6,148 words) [view diff] exact match in snippet view article find links to article
representations that arise. The total angular momentum states form an orthonormal basis of V3: ⟨ J M | J ′ M ′ ⟩ = δ J , J ′ δ M , M ′ . {\displaystyleSIC-POVM (3,617 words) [view diff] exact match in snippet view article find links to article
} k = 0 d − 1 {\displaystyle \left\{k\right\}_{k=0}^{d-1}} be an orthonormal basis for C d {\displaystyle \mathbb {C} ^{d}} , and define ω = e 2 π iAdversarial machine learning (7,812 words) [view diff] exact match in snippet view article find links to article
query-efficient way to attack black-box image classifiers. Take a random orthonormal basis v 1 , v 2 , … , v d {\displaystyle v_{1},v_{2},\dots ,v_{d}} in RLode coordinates (1,842 words) [view diff] exact match in snippet view article find links to article
/3} . The unit normal in the angular direction which completes the orthonormal basis can be calculated for θ s {\displaystyle \theta _{s}} and θ c {\displaystyleMooney–Rivlin solid (3,278 words) [view diff] exact match in snippet view article find links to article
2 {\displaystyle \mathbf {e} _{1},\mathbf {e} _{2}} are reference orthonormal basis vectors in the plane of deformation and the shear deformation is givenQuantum key distribution (11,878 words) [view diff] exact match in snippet view article find links to article
only possible measurement is between any two orthogonal states (an orthonormal basis). So, for example, measuring in the rectilinear basis gives a resultWigner D-matrix (4,726 words) [view diff] exact match in snippet view article find links to article
spherical basis used here. That is, there is a complete set of kets (i.e. orthonormal basis of joint eigenvectors labelled by quantum numbers that define theRock mass plasticity (3,782 words) [view diff] exact match in snippet view article find links to article
and e i {\displaystyle \mathbf {e} _{i}} are the components of an orthonormal basis in the current configuration. The inner product is defined as A :Arruda–Boyce model (3,036 words) [view diff] exact match in snippet view article find links to article
2 {\displaystyle \mathbf {e} _{1},\mathbf {e} _{2}} are reference orthonormal basis vectors in the plane of deformation and the shear deformation is givenHigher-order singular value decomposition (4,242 words) [view diff] exact match in snippet view article find links to article
{\displaystyle {\mathcal {A}}} with respect to a specifically chosen orthonormal basis B {\displaystyle B} with the coefficients given as the multidimensionalFoldy–Wouthuysen transformation (3,101 words) [view diff] exact match in snippet view article find links to article
quantised field. The FW transformation is a unitary transformation of the orthonormal basis in which both the Hamiltonian and the state are represented. The eigenvaluesSquashed entanglement (2,131 words) [view diff] exact match in snippet view article find links to article
d i m ( Λ ) {\displaystyle \lambda =1,2,...,dim(\Lambda )} is an orthonormal basis for the Hilbert space associated with a quantum system Λ {\displaystyleChebyshev polynomials (10,713 words) [view diff] exact match in snippet view article find links to article
appropriate Sobolev space, the set of Chebyshev polynomials form an orthonormal basis, so that a function in the same space can, on −1 ≤ x ≤ 1, be expressedMonochromatic electromagnetic plane wave (3,519 words) [view diff] no match in snippet view article find links to article
above; the only difference is that now our frame is a anholonomic (orthonormal) basis on a curved spacetime, rather than a coordinate basis in flat spacetimeGrassmannian (8,402 words) [view diff] exact match in snippet view article find links to article
where ( w 1 , ⋯ , w k ) {\displaystyle (w_{1},\cdots ,w_{k})} is any orthonormal basis for w ⊂ R n {\displaystyle w\subset \mathbf {R} ^{n}} , viewed asNeumann–Poincaré operator (11,017 words) [view diff] exact match in snippet view article find links to article
spectral theorem for compact self-adjoint operators, there is an orthonormal basis un of H consisting of eigenvectors of A: A u n = μ n u n , {\displaystyleReproducing kernel Hilbert space (6,323 words) [view diff] exact match in snippet view article find links to article
_{i}(x)} , where the { φ i } {\displaystyle \{\varphi _{i}\}} form an orthonormal basis of L 2 ( X ) {\displaystyle L_{2}(X)} . By the positivity of T KHarmonic map (5,241 words) [view diff] exact match in snippet view article find links to article
(}\nabla (df){\big )}_{p}(e_{i},e_{i})} where e1, ..., em is any gp-orthonormal basis of TpM. From the perspective of local coordinates, as given aboveMolecular Hamiltonian (5,204 words) [view diff] exact match in snippet view article find links to article
non-zero eigenvalue; they are the internal coordinates and form an orthonormal basis for a (3N - 6)-dimensional subspace of the nuclear configuration spaceOrbifold (10,243 words) [view diff] exact match in snippet view article find links to article
geometric realization in Euclidean space, with vertices mapped to an orthonormal basis. Other metric structures are also used, involving length metrics obtainedBivector (9,916 words) [view diff] exact match in snippet view article find links to article
a = a1e1 + a2e2, where a1 and a2 are real numbers, e1 and e2 are orthonormal basis vectors. The geometric product of two such vectors is a b = ( a 1Perturbation theory (quantum mechanics) (15,991 words) [view diff] exact match in snippet view article
}n\rangle .} Given that the eigenstates of the Hamiltonian always form an orthonormal basis ⟨ m | n ⟩ = δ m n {\displaystyle \langle m|n\rangle =\delta _{mn}}Tensor operator (9,012 words) [view diff] exact match in snippet view article find links to article
{i\theta }{\hbar }}{\hat {\mathbf {n} }}\cdot \mathbf {J} \right).} The orthonormal basis set for total angular momentum is | j , m ⟩ {\displaystyle |j,m\rangleVertex operator algebra (8,938 words) [view diff] exact match in snippet view article find links to article
spaces have integer L0 eigenvalues constrains the choice of s: for an orthonormal basis xi, the vector 1/2 xi,12 + s2 must satisfy (s, λ) ∈ Z for all λ ∈Arithmetic Fuchsian group (3,844 words) [view diff] exact match in snippet view article find links to article
spectral theorem in Riemannian geometry states that there exists an orthonormal basis ϕ 0 , ϕ 1 , … , ϕ n , … {\displaystyle \phi _{0},\phi _{1},\ldotsZX-calculus (2,748 words) [view diff] exact match in snippet view article find links to article
This rule corresponds to the fact that the Z-spider represents an orthonormal basis - the computational basis. X-spider fusion See Z-spider fusion. Identity600-cell (28,920 words) [view diff] exact match in snippet view article find links to article
overlapping inscribed 16-cells. Each 16-cell constitutes a distinct orthonormal basis for the choice of a coordinate reference frame. The 60 axes and 75Fractional coordinates (4,499 words) [view diff] exact match in snippet view article find links to article
coordinate system is the Cartesian coordinate system, which consists of orthonormal basis vectors. This means that, a 1 = | a 1 | = a 2 = | a 2 | = ⋯ = a dEigenvalue perturbation (6,240 words) [view diff] exact match in snippet view article find links to article
x 0 j , j = 1 , … , n {\displaystyle x_{0j},j=1,\dots ,n} form an orthonormal basis, for any right-hand side, we have obtained one solution thereforeDerivation of the conjugate gradient method (4,964 words) [view diff] exact match in snippet view article find links to article
r 0 {\displaystyle {\boldsymbol {r}}_{0}} and gradually builds an orthonormal basis { v 1 , v 2 , v 3 , … } {\displaystyle \{{\boldsymbol {v}}_{1},{\boldsymbolAnalysis of Boolean functions (5,379 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \chi _{S}} are known as Fourier characters, and they form an orthonormal basis for the space of all functions over { − 1 , 1 } n {\displaystyle \{-1Array processing (5,733 words) [view diff] exact match in snippet view article find links to article
{\displaystyle \mathbf {R} } , in particular the matrix containing an orthonormal basis of the noise subspace, which is the orthogonal complement of a {\displaystyle24-cell (30,655 words) [view diff] exact match in snippet view article find links to article
their corresponding vertices are 120° = √3 apart). A 16-cell is an orthonormal basis for a 4-dimensional coordinate system, because its 8 vertices defineSobolev spaces for planar domains (8,926 words) [view diff] exact match in snippet view article find links to article
0,} and Tf = 0 implies u = 0 and hence f = 0. There is a complete orthonormal basis fn of L2(Ω) consisting of eigenfunctions of T. Thus T f n = μ n fTau function (integrable systems) (6,689 words) [view diff] exact match in snippet view article
\quad \forall |v;n\rangle \in {\mathcal {F}}_{n}} . The standard orthonormal basis { | λ ⟩ } {\displaystyle \{|\lambda \rangle \}} for the zero fermionicSingular integral operators of convolution type (12,881 words) [view diff] exact match in snippet view article find links to article
)\theta ^{-1}\,d\theta } are uniformly bounded. With respect to the orthonormal basis einθ convolution operators are diagonal and their operator norms areMutation (Jordan algebra) (15,817 words) [view diff] exact match in snippet view article
powers of a act on F, so can be simultaneously diagonalized by an orthonormal basis ei. Since (ei)3 is a positive multiple of ei, rescaling if necessaryHamiltonian constraint of LQG (7,798 words) [view diff] exact match in snippet view article find links to article
certain linear combinations of them called spin network states form an orthonormal basis. As spin network functions form a basis we can formally expand any