• In mathematics and in theoretical physics, the Stonevon Neumann theorem refers to any one of a number of different formulations of the uniqueness of...
    27 KB (3,687 words) - 23:40, 6 March 2025
  • Stone–Weierstrass theorem Stonevon Neumann theorem Stone's theorem on one-parameter unitary groups It may also refer to the theorem of A. H. Stone that for Hausdorff...
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  • Kennard (1927) to imply the Heisenberg uncertainty principle. The Stonevon Neumann theorem gives a uniqueness result for operators satisfying (an exponentiated...
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  • quantum mechanical systems, especially in the context of the Stonevon Neumann theorem. More generally, one can consider Heisenberg groups associated...
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  • of the Heisenberg commutation relations, as formulated in the Stonevon Neumann theorem, was later interpreted within group representation theory, in...
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  • Neumann norm Stonevon Neumann theorem Taylor–von Neumann–Sedov blast wave von Neumann algebra Abelian von Neumann algebra Enveloping von Neumann algebra Finite-dimensional...
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  • continuous one-parameter unitary groups. The theorem was proved by Marshall Stone (1930, 1932), and John von Neumann (1932) showed that the requirement that...
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  • von Neumann double commutant theorem (von Neumann 1930) says that the first two definitions are equivalent. The first two definitions describe a von Neumann...
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  • Thumbnail for Marshall H. Stone
    country in that period." Stone made several advances in the 1930s: In 1930, he proved the Stonevon Neumann uniqueness theorem. In 1932, he published a...
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  • Thumbnail for John von Neumann
    John von Neumann (/vɒn ˈnɔɪmən/ von NOY-mən; Hungarian: Neumann János Lajos [ˈnɒjmɒn ˈjaːnoʃ ˈlɒjoʃ]; December 28, 1903 – February 8, 1957) was a Hungarian...
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  • closely related concept also appears in quantum mechanics; see the Stonevon Neumann theorem and canonical commutation relations for details. As Hamiltonian...
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  • theorem (physics) Reeh–Schlieder theorem (local quantum field theory) Spin–statistics theorem (physics) Stonevon Neumann theorem (functional analysis, representation...
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  • the "exponentiated commutation relations" that enter into the Stonevon Neumann theorem. A simple proof of this identity is given below. Another useful...
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  • formulae of Fourier analysis is ultimately a consequence of the Stonevon Neumann theorem, asserting the uniqueness of the Schrödinger representation of...
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  • irreducible representation of the Weyl relations, so that the Stonevon Neumann theorem (guaranteeing uniqueness of the canonical commutation relations)...
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  • Thumbnail for Fourier transform
    t\right)=\left(-\xi ,x,te^{-i2\pi \xi x}\right).} According to the Stonevon Neumann theorem, the unitary representations ρ and ρ ∘ j are unitarily equivalent...
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  • Fuglede's theorem Compression (functional analysis) Friedrichs extension Stone's theorem on one-parameter unitary groups Stonevon Neumann theorem Functional...
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  • commutator above by the Poisson bracket (see also below). By the Stonevon Neumann theorem, the Heisenberg picture and the Schrödinger picture must be unitarily...
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  • Representation theory of SL2(R) Representations of the Lorentz group Stonevon Neumann theorem Unitary representation of a star Lie superalgebra Zonal spherical...
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  • given central character, or in other words an analogue of the Stonevon Neumann theorem. (It is assumed for this that the characteristic of the field...
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  • Thumbnail for Spontaneous symmetry breaking
    quantum mechanics that describes finite dimensional systems, due to Stone-von Neumann theorem (that states the uniqueness of Heisenberg commutation relations...
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  • Induced representation Peter–Weyl theorem Spherical harmonic Casimir operator Hecke operator Stonevon Neumann theorem Discrete series representation Tempered...
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  • automatically yields the Ehrenfest theorem, featured in the correspondence principle. By the Stonevon Neumann theorem, the Heisenberg picture and the Schrödinger...
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  • center acting as multiplication by a given nonzero constant. The Stonevon Neumann theorem states that this representation is essentially unique: if ρ ′...
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  • V {\displaystyle V} is finite dimensional is discussed in the Stonevon Neumann theorem. If V {\displaystyle V} is equipped with a nonsingular real symmetric...
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  • representation of Heisenberg's canonical commutation relations. The Stonevon Neumann theorem dictates that all irreducible representations of the finite-dimensional...
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  • to momentum operators and position operators. Indeed, by the Stonevon Neumann theorem, every representation satisfying the CCR (every representation...
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  • evolution of physical observables from Stone's theorem, which had been proved shortly before. This finding inspired von Neumann to apply the novel formalism to...
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  • {\displaystyle \mathbb {R} ^{2n}} . (See also the Stonevon Neumann theorem.) On the other hand, Bargmann's theorem states that if the second Lie algebra cohomology...
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  • classical and quantum mechanics. Hilbert space § Unbounded operators Stonevon Neumann theorem Bounded operator Suppose fj is a sequence in the domain of T that...
    32 KB (4,635 words) - 12:25, 21 December 2024