• σ-finite. Combining Fubini's theorem with Tonelli's theorem gives the Fubini–Tonelli theorem. Often just called Fubini's theorem, it states that if X...
    41 KB (7,852 words) - 17:38, 17 August 2024
  • {\displaystyle f,g,\phi \in {\mathcal {D}}(\mathbb {R} ^{n}),} then by Fubini's theorem ⟨ C f g , ϕ ⟩ = ∫ R n ϕ ( x ) ∫ R n f ( x − y ) g ( y ) d y d x = ⟨...
    128 KB (21,614 words) - 07:27, 10 August 2024
  • In mathematics, Fubini's theorem on differentiation, named after Guido Fubini, is a result in real analysis concerning the differentiation of series of...
    1 KB (205 words) - 19:14, 22 December 2022
  • Thumbnail for Guido Fubini
    Guido Fubini (19 January 1879 – 6 June 1943) was an Italian mathematician, known for Fubini's theorem and the Fubini–Study metric. Born in Venice, he was...
    7 KB (677 words) - 19:15, 4 June 2024
  • used as a type of transfinite induction to prove many other theorems, such as Fubini's theorem. A monotone class is a family (i.e. class) M {\displaystyle...
    5 KB (694 words) - 12:02, 7 September 2023
  • Fubini (1879–1943), Italian mathematician Sergio Fubini (1928–2005), Italian theoretical physicist It can also be used to refer to Fubini's theorem....
    372 bytes (88 words) - 04:23, 27 November 2022
  • Another example is closely related to the failure of some forms of Fubini's theorem for spaces that are not σ-finite. Suppose that X {\displaystyle X}...
    15 KB (2,685 words) - 17:08, 21 January 2024
  • Thumbnail for Multiple integral
    integrands under certain conditions. This property is popularly known as Fubini's theorem. In the case of T ⊆ R 2 {\displaystyle T\subseteq \mathbb {R} ^{2}}...
    44 KB (7,991 words) - 11:08, 29 May 2024
  • In mathematics, the convolution theorem states that under suitable conditions the Fourier transform of a convolution of two functions (or signals) is...
    22 KB (1,986 words) - 11:42, 1 June 2024
  • Fubini's nightmare is a seeming violation of Fubini's theorem, where a nice space, such as the square [ 0 , 1 ] × [ 0 , 1 ] , {\displaystyle [0,1]\times...
    5 KB (1,029 words) - 00:33, 9 June 2024
  • algebras) Froda's theorem (mathematical analysis) Frucht's theorem (graph theory) Fubini's theorem (integration) Fubini's theorem on differentiation...
    73 KB (6,015 words) - 12:17, 2 August 2024
  • g ∈ L 1 ( R n ) {\displaystyle f,g\in L^{1}(\mathbb {R} ^{n})} , Fubini's theorem implies that ∫ g ( ξ ) ⋅ ( F f ) ( ξ ) d ξ = ∫ ( F g ) ( y ) ⋅ f (...
    18 KB (3,626 words) - 17:26, 23 July 2024
  • theorem, introduced by Kazimierz Kuratowski and Stanislaw Ulam (1932), called also the Fubini theorem for category, is an analog of Fubini's theorem for...
    3 KB (298 words) - 05:00, 20 September 2021
  • mathematics, Tonelli's theorem may refer to Tonelli's theorem (measure theory), a successor of Fubini's theorem Tonelli's theorem (functional analysis)...
    343 bytes (68 words) - 17:27, 1 April 2024
  • Thumbnail for Morera's theorem
    with respect to the supremum norm. Morera's theorem can also be used in conjunction with Fubini's theorem and the Weierstrass M-test to show the analyticity...
    9 KB (1,406 words) - 23:49, 29 April 2024
  • y)=c\,} satisfies Mercer's condition, as then the integral becomes by Fubini's theorem ∬ g ( x ) c g ( y ) d x d y = c ∫ g ( x ) d x ∫ g ( y ) d y = c ( ∫...
    11 KB (1,783 words) - 18:47, 5 May 2024
  • positive if F is positive. The equality above is a simple case of Fubini's theorem, involving no measure theory. Titchmarsh (1939) proves it in a straightforward...
    34 KB (5,331 words) - 16:20, 9 July 2024
  • Thumbnail for Cavalieri's principle
    and while it is used in some forms, such as its generalization in Fubini's theorem and layer cake representation, results using Cavalieri's principle...
    14 KB (1,839 words) - 23:16, 15 May 2024
  • this integral is the integral of the function f(t) on the interval. Fubini's theorem states that the integral over a set that is a product may be computed...
    66 KB (9,950 words) - 14:18, 10 February 2024
  • calculate areas and volumes of regions in the plane and in space. Fubini's theorem guarantees that a multiple integral may be evaluated as a repeated...
    19 KB (2,375 words) - 12:56, 5 August 2024
  • Schwarz's theorem Interchange of integrals: Fubini's theorem Interchange of limit and integral: Dominated convergence theorem Vitali convergence theorem Fichera...
    6 KB (670 words) - 16:01, 1 February 2024
  • transforms iterated integrals (or multiple integrals through the use of Fubini's theorem) of functions into other, hopefully simpler, integrals by changing...
    13 KB (1,938 words) - 18:51, 4 December 2023
  • Thumbnail for Ordered Bell number
    total order. Their alternative name, the Fubini numbers, comes from a connection to Guido Fubini and Fubini's theorem on equivalent forms of multiple integrals...
    37 KB (5,047 words) - 08:20, 12 May 2024
  • Thumbnail for Gaussian integral
    Gaussian integral (category Theorems in analysis)
    _{-a}^{a}e^{-\left(x^{2}+y^{2}\right)}\,dy\,dx.\end{aligned}}} Using Fubini's theorem, the above double integral can be seen as an area integral ∬ [ − a...
    20 KB (4,295 words) - 14:28, 22 July 2024
  • Thumbnail for Integral
    the domain R. Under suitable conditions (e.g., if f is continuous), Fubini's theorem states that this integral can be expressed as an equivalent iterated...
    68 KB (9,235 words) - 01:10, 22 June 2024
  • _{\left\{h(X)=1\right\}}]\end{aligned}}} where the second line was derived through Fubini's theorem Notice that R ( h ) {\displaystyle R(h)} is minimised by taking ∀ x...
    7 KB (1,374 words) - 01:18, 17 March 2024
  • fact that integrals are preserved by inversion of the domain, and by Fubini's theorem. Young's inequality can also be proved by interpolation; see the article...
    8 KB (1,648 words) - 16:53, 25 May 2024
  • f on (a,b) the function Iα f on (a,b) which is also integrable by Fubini's theorem. Thus Iα defines a linear operator on L1(a,b): I α : L 1 ( a , b )...
    16 KB (2,614 words) - 13:49, 12 June 2024
  • Thumbnail for Null set
    In terms of null sets, the following equivalence has been styled a Fubini's theorem: For A ⊂ R 2 {\displaystyle A\subset \mathbb {R} ^{2}} and A x = {...
    11 KB (1,730 words) - 15:02, 24 June 2024
  • integrals over the level sets of another function. A special case is Fubini's theorem, which says under suitable hypotheses that the integral of a function...
    4 KB (711 words) - 19:57, 23 July 2021