The Arzelà–Ascoli theorem is a fundamental result of mathematical analysis giving necessary and sufficient conditions to decide whether every sequence...
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earlier by Giulio Ascoli in the Arzelà–Ascoli theorem. He was a pupil of the Scuola Normale Superiore of Pisa where he graduated in 1869. Arzelà came from a...
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Ascoli and Cesare Arzelà. The culmination of their investigations, the Arzelà–Ascoli theorem, was a generalization of the Bolzano–Weierstrass theorem...
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functions. In 1889, Italian mathematician Cesare Arzelà generalized Ascoli's Theorem into the Arzelà–Ascoli theorem, a practical sequential compactness criterion...
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{\displaystyle f_{\psi (k)}} are equicontinuous by the Arzelà–Ascoli theorem. By the fundamental theorem of calculus, z ′ ( t ) = f ( t , z ( t ) ) {\displaystyle...
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can be thought of as an Lp version of the Arzelà–Ascoli theorem, from which it can be deduced. The theorem is named after Maurice René Fréchet and Andrey...
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total variation norm. Since Prokhorov's theorem expresses tightness in terms of compactness, the Arzelà–Ascoli theorem is often used to substitute for compactness:...
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diagonalization argument similar to the one employed in the proof of the Arzelà–Ascoli theorem. Due to the constructive nature of its proof (as opposed to the...
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(Riemannian geometry) Arzelà–Ascoli theorem (functional analysis) Baire category theorem (topology, metric spaces) Bing metrization theorem (general topology)...
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Banach–Alaoglu theorem on the weak-* compactness of the unit ball of the dual space of a normed vector space, and the Arzelà–Ascoli theorem characterizing...
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Uniform convergence (redirect from Uniform convergence theorem)
Dini's theorem Arzelà–Ascoli theorem Sørensen, Henrik Kragh (2005). "Exceptions and counterexamples: Understanding Abel's comment on Cauchy's Theorem". Historia...
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role of this theorem in the theory of Gromov–Hausdorff convergence may be considered as analogous to the role of the Arzelà–Ascoli theorem in the theory...
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with bounded Lipschitz constant forms an equicontinuous set. The Arzelà–Ascoli theorem implies that if {fn} is a uniformly bounded sequence of functions...
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then the transpose T′ is compact. This can be proved using the Arzelà–Ascoli theorem. When V is a Hilbert space, there is an antilinear isomorphism iV...
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compact set are precompact in the uniform topology; this is the Arzelà–Ascoli theorem. A metric space is separable if and only if it is homeomorphic to...
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category theorem Open mapping theorem (functional analysis) Closed graph theorem Uniform boundedness principle Arzelà–Ascoli theorem Banach–Alaoglu theorem Measure...
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norm, thus making C(X) a Banach space, hence a metric space. Then Arzelà–Ascoli theorem states that a subset of C(X) is compact if and only if it is closed...
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Some major theorems characterize relatively compact subsets, in particular in function spaces. An example is the Arzelà–Ascoli theorem. Other cases...
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Heine–Borel theorems, the intermediate value theorem and mean value theorem, Taylor's theorem, the fundamental theorem of calculus, the Arzelà-Ascoli theorem, the...
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(the Green's function of the problem). As a consequence of the Arzelà–Ascoli theorem, this integral operator is compact and existence of a sequence of...
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tool for showing compact convergence is the Arzelà–Ascoli theorem. There are several versions of this theorem, roughly speaking it states that every sequence...
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Thus, Skorokhod space is a Polish space. By an application of the Arzelà–Ascoli theorem, one can show that a sequence ( μ n ) n = 1 , 2 , … {\displaystyle...
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{\mathcal {C}}(X)} is not reflexive, nor is it weakly complete. The Arzelà–Ascoli theorem holds: A subset K {\displaystyle K} of C ( X ) {\displaystyle {\mathcal...
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compact by the Arzelà–Ascoli theorem. In many physical situations, this assumption about the input set is a reasonable one. The theorem, however, gives...
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consequence of the Ascoli-Arzelà theorem. Indeed, let (un) be a bounded sequence in C0,β(Ω). Thanks to the Ascoli-Arzelà theorem we can assume without...
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basepoint are naturally homeomorphic. Compactness follows from the Arzelà–Ascoli theorem since the image in C(XN) is equicontinuous and uniformly bounded...
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_{f}(\delta )\to 0{\text{ as }}\delta \to 0} . By an application of the Arzelà-Ascoli theorem, one can show that a sequence ( μ n ) n = 1 ∞ {\displaystyle (\mu...
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function spaces of Georg Cantor, Vito Volterra, Cesare Arzelà, Jacques Hadamard, Giulio Ascoli and others, Maurice Fréchet introduced the metric space...
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bounded subset of C(X). We have shown T(X) is equicontinuous, so the Arzelà–Ascoli theorem implies that T(X) is relatively compact. However, the previous bullet...
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compact subset of C; they are even holomorphic for |z| > R. So by the Arzelà–Ascoli theorem, passing to a subsequence if necessary, it can be assumed that both...
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