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・ Vitalia Pavlicenco
・ Vitalian (general)
・ Vitalian (praetorian prefect)
・ Vitalian of Capua
・ Vitaliano Brancati
・ Vitaliano di Iacopo Vitaliani
・ Vitaliano Donati
・ Vitaliano I Borromeo
・ Vitaliano Poselli
・ Vitalic
・ Vitalicio Seguros
・ Vitali Butikov
・ Vitali Charapenka
・ Vitali Chilyushkin
・ Vitali Chochiyev
Vitali convergence theorem
・ Vitali covering lemma
・ Vitali Dikov
・ Vitali Donika
・ Vitali Doroshenko
・ Vitali Dubina
・ Vitali Dyakov
・ Vitali Dyomochka
・ Vitali Dzerbianiou
・ Vitali Egorov
・ Vitali Eliseev
・ Vitali Gabnia
・ Vitali Galysh
・ Vitali Glushchenko
・ Vitali Golod


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Vitali convergence theorem : ウィキペディア英語版
Vitali convergence theorem
In real analysis and measure theory, the Vitali convergence theorem, named after the Italian mathematician Giuseppe Vitali, is a generalization of the better-known dominated convergence theorem of Henri Lebesgue. It is a strong condition that depends on uniform integrability. It is useful when a dominating function cannot be found for the sequence of functions in question; when such a dominating function can be found, Lebesgue's theorem follows as a special case of Vitali's.
==Statement of the theorem==
Let (X,\mathcal,\mu) be a positive measure space. If
#\mu(X)<\infty
#\ is uniformly integrable
#f_n(x)\to f(x) a.e. as n \to \infty and
#|f(x)|<\infty a.e.
then the following hold:
#f\in \mathcal^1(\mu)
#\lim_ \int_|f_n-f|d\mu=0.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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