• In mathematics, the RieszFischer theorem in real analysis is any of a number of closely related results concerning the properties of the space L2 of...
    11 KB (1,885 words) - 23:08, 2 February 2024
  • Thumbnail for Frigyes Riesz
    Denjoy–Riesz theorem F. and M. Riesz theorem Riesz representation theorem Riesz-Fischer theorem Riesz groups Riesz's lemma Riesz projector Riesz sequence...
    8 KB (606 words) - 07:04, 3 November 2024
  • extension theorem Riesz–Thorin theorem RieszFischer theorem Riesz's lemma Riesz–Markov–Kakutani representation theorem This disambiguation page lists...
    506 bytes (87 words) - 09:50, 15 October 2020
  • Thumbnail for Ernst Sigismund Fischer
    The RieszFischer theorem in Lebesgue integration is named in his honour. He is the grandson of composer Karl Graedener. Ernst Sigismund Fischer http://www-history...
    3 KB (157 words) - 08:08, 22 September 2024
  • (algebraic geometry) Riesz representation theorem (functional analysis, Hilbert space) RieszFischer theorem (real analysis) Riesz–Thorin theorem (functional analysis)...
    73 KB (6,038 words) - 09:58, 20 November 2024
  • Thumbnail for Hilbert space
    known as the RieszFischer theorem. Further basic results were proved in the early 20th century. For example, the Riesz representation theorem was independently...
    128 KB (17,481 words) - 15:42, 25 November 2024
  • consisting entirely of the restrictions of functions in A(Ω), then a RieszFischer theorem argument shows that S ( z , ζ ) = ∑ i = 1 ∞ ϕ i ( z ) ϕ i ( ζ )...
    2 KB (308 words) - 23:41, 8 September 2020
  • Parseval's identity (category Theorems in functional analysis)
    form of Parseval's identity can be proved using the RieszFischer theorem. Parseval's theorem – Theorem in mathematics "Parseval equality", Encyclopedia...
    5 KB (752 words) - 14:56, 8 August 2024
  • transcription of general Hilbert space results. According to the RieszFischer theorem, if ƒ is square-integrable then lim N → ∞ ∫ 0 2 π | f ( x ) − S...
    22 KB (4,043 words) - 09:31, 28 August 2024
  • a complete metric space, a result that is sometimes called the RieszFischer theorem). When the underlying measure space S {\displaystyle S} is understood...
    69 KB (12,922 words) - 00:43, 18 November 2024
  • Thumbnail for Felix Hausdorff
    Hausdorff's extension of the Riesz-Fischer theorem to L p {\displaystyle L^{p}} spaces in his 1923 work An extension of Parseval's theorem on Fourier series. He...
    55 KB (7,502 words) - 03:16, 10 November 2024
  • any p such that 1 < p < ∞. For p = 2, this is the content of the RieszFischer theorem, and for p ≠ 2, it is a consequence of the boundedness on the space...
    26 KB (3,590 words) - 10:05, 12 January 2024
  • important theorems in the traditional theory of the Lebesgue integral, such as Lebesgue's dominated convergence theorem, the RieszFischer theorem, Fatou's...
    11 KB (1,647 words) - 14:36, 23 July 2024
  • Thumbnail for Luigi Amerio
    value problems for elliptic partial differential equations by the Riesz-Fischer theorem. Amerio, Luigi (July 1947), "Sul Calcolo delle Soluzioni dei Problemi...
    16 KB (1,403 words) - 04:55, 30 October 2024
  • _{i=1}^{n}b_{i}^{2}=1.} This last condition is required by the RieszFischer theorem which states that a i b i + ⋯ + a n b n {\displaystyle a_{i}b_{i}+\cdots...
    5 KB (852 words) - 10:33, 19 September 2021
  • doctorate from the university (1923) Frigyes Riesz (1880–1956) his theorem, now called the Riesz-Fischer theorem, which he proved in 1907, is fundamental...
    8 KB (127 words) - 16:14, 26 October 2023
  • set. Many other proofs can be found in the literature. Fischer's inequality "Hadamard theorem - Encyclopedia of Mathematics". encyclopediaofmath.org....
    6 KB (851 words) - 09:34, 9 April 2024
  • bounded conjugate-linear form on H1(Ω) sending v to ( f, v). By the RieszFischer theorem, there exists u ∈ H1(Ω) such that ( f , v ) = ( u , v ) ( 1 ) ....
    58 KB (8,926 words) - 18:52, 14 November 2024
  • "Recursive Common Table Expressions Overview". mariadb.com. Munro 1971, Fischer & Meyer 1971 Purdom Jr., Paul (Mar 1970). "A transitive closure algorithm"...
    17 KB (2,306 words) - 14:45, 25 October 2024
  • von Welsbach. 1907: Hilbert space representation theorem, also known as Riesz representation theorem, the mathematical justification of the Bra-ket notation...
    96 KB (11,128 words) - 13:05, 27 October 2024
  • G|_{\mathbf {R} ^{n}}=\sum _{j=1}^{n-1}e_{j}R_{j}} where Rj is the j-th Riesz potential, x j ‖ x ‖ n . {\displaystyle {\frac {x_{j}}{\|x\|^{n}}}.} As...
    22 KB (3,393 words) - 03:48, 15 November 2022
  • Thumbnail for January 1974
    mathematician known for Denjoy's theorem on rotation number, and the Denjoy–Luzin theorem, Denjoy–Riesz theorem, Denjoy–Wolff theorem and the Denjoy–Koksma inequality...
    219 KB (22,292 words) - 23:05, 16 November 2024
  • algebraic number theory and algebraic geometry Frigyes Riesz (1880–1956), functional analysis Marcel Riesz (1886–1969), mathematician Eliyahu Rips (born 1948)...
    180 KB (15,822 words) - 03:28, 13 November 2024