• In functional analysis, a field of mathematics, the BanachMazur theorem is a theorem roughly stating that most well-behaved normed spaces are subspaces...
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  • Thumbnail for Stefan Banach
    the Banach–Steinhaus theorem, the BanachMazur game, the Banach–Alaoglu theorem, and the Banach fixed-point theorem. Stefan Banach was born on 30 March...
    27 KB (2,751 words) - 05:54, 29 May 2025
  • In functional analysis, the Hahn–Banach theorem is a central result that allows the extension of bounded linear functionals defined on a vector subspace...
    77 KB (12,640 words) - 10:59, 10 February 2025
  • BanachMazur theorem, every Banach space is isometrically isomorphic to a subspace of some C ( K ) . {\displaystyle C(K).} For every separable Banach...
    102 KB (17,049 words) - 16:58, 14 April 2025
  • In the mathematical study of functional analysis, the BanachMazur distance is a way to define a distance on the set Q ( n ) {\displaystyle Q(n)} of n...
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  • analysis and related branches of mathematics, the Banach–Alaoglu theorem (also known as Alaoglu's theorem) states that the closed unit ball of the dual space...
    61 KB (8,306 words) - 04:30, 25 September 2024
  • C ( [ 0 , 1 ] ) {\displaystyle C([0,1])} . The BanachMazur theorem asserts that any separable Banach space is isometrically isomorphic to a closed linear...
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  • Thumbnail for Stanisław Mazur
    Approximation property BanachMazur theorem BanachMazur game Compact operator Gelfand–Mazur theorem Mazur–Ulam theorem Schauder basis Stanisław Mazur at the Mathematics...
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  • operator theory, the Gelfand–Mazur theorem is a theorem named after Israel Gelfand and Stanisław Mazur which states that a Banach algebra with unit over the...
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  • Mazur's theorem may refer to: Ascoli–Mazur theorem, or Mazur's theorem, a corollary of the Hahn–Banach separation theorem in functional analysis Mazur's...
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  • theory, a BanachMazur game is a topological game played by two players, trying to pin down elements in a set (space). The concept of a BanachMazur game is...
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  • Fredholm's theorem (linear algebra) Analytic Fredholm theorem (functional analysis) Banach–Alaoglu theorem (functional analysis) BanachMazur theorem (functional...
    78 KB (6,292 words) - 23:25, 29 June 2025
  • algebra is the complexes. (This is known as the Gelfand–Mazur theorem.) Every unital real Banach algebra with no zero divisors, and in which every principal...
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  • In mathematics, the Mazur–Ulam theorem states that if V {\displaystyle V} and W {\displaystyle W} are normed spaces over R and the mapping f : V → W {\displaystyle...
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  • Banach–Stone theorem is a classical result in the theory of continuous functions on topological spaces, named after the mathematicians Stefan Banach and...
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  • compactness in a Banach space James' theorem – theorem in mathematicsPages displaying wikidata descriptions as a fallback Goldstine theorem Mazur's lemma – On...
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  • ISBN 0-486-68735-X Kleiber, Martin; Pervin, William J. (1969). "A generalized Banach-Mazur theorem". Bull. Austral. Math. Soc. 1 (2): 169–173. doi:10.1017/S0004972700041411...
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  • Arzelà–Ascoli theorem Banach–Alaoglu theorem Measure of non-compactness BanachMazur theorem Bounded linear operator Continuous linear extension Compact operator...
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  • Banach norm Banach–Alaoglu theorem BanachMazur compactum BanachMazur game BanachMazur theorem Banach–Ruziewicz problem Banach-Saks theorem Banach-Schauder...
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  • mathematics, the Goldstine theorem, named after Herman Goldstine, is stated as follows: Goldstine theorem. Let X {\displaystyle X} be a Banach space, then the image...
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  • Thumbnail for Per Enflo
    "distortion" (in Gromov's terminology for the Lipschitz category; cf. BanachMazur distance). Low-dimensional problems have lower computational complexity...
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  • {\text{for every}}\ x\in E.} In terms of the multiplicative Banach-Mazur distance d the theorem's conclusion can be formulated as: d ( E ,   ℓ k 2 ) ≤ 1 +...
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  • y_{k}-x\rVert \to 0} . Banach–Alaoglu theorem – Theorem in functional analysis Bishop–Phelps theorem Eberlein–Šmulian theorem – Relates three different...
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  • identity 1A such that ║1A║ = 1. Banach algebra Composition algebra Division algebra Gelfand–Mazur theorem Hurwitz's theorem (composition algebras) "Normed...
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  • {\displaystyle Y.} Then there is a BanachMazur game M Z ( X , Y , W ) . {\displaystyle MZ(X,Y,{\mathcal {W}}).} In the BanachMazur game, two players, P {\displaystyle...
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  • Gelfand representation (category Banach algebras)
    general, commutative Banach algebra case.) For any such m the quotient algebra A/m is one-dimensional (by the Gelfand-Mazur theorem), and therefore any...
    12 KB (1,815 words) - 20:45, 25 April 2025
  • methods in nonlinear analysis. Banach–Schauder theorem Schauder basis Schauder estimates Schauder fixed point theorem List of Polish mathematicians Kuratowski...
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  • theorem is an important step in deciding which spaces of weak solutions to use in solving a PDE. Banach–Alaoglu theorem Bishop–Phelps theorem Mazur's...
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  • Thumbnail for Fourier transform
    }\left\|E_{\sigma }\right\|} is finite. The "convolution theorem" asserts that, furthermore, this isomorphism of Banach spaces is in fact an isometric isomorphism of...
    177 KB (21,313 words) - 14:22, 28 June 2025
  • {\displaystyle X_{0}} of X {\displaystyle X} such that the multiplicative BanachMazur distance between X 0 {\displaystyle X_{0}} and Y 0 {\displaystyle Y_{0}}...
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