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Transactions of the American Mathematical Society

Published by the American Mathematical Society since 1900, Transactions of the American Mathematical Society is devoted to longer research articles in all areas of pure and applied mathematics.

ISSN 1088-6850 (online) ISSN 0002-9947 (print)

The 2020 MCQ for Transactions of the American Mathematical Society is 1.48.

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The law of the iterated logarithm in uniformly convex Banach spaces
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by Michel Ledoux PDF
Trans. Amer. Math. Soc. 294 (1986), 351-365 Request permission

Abstract:

We give necessary and sufficient conditions for a random variable $X$ with values in a uniformly convex Banach space $B$ to satisfy the law of the iterated logarithm. Precisely, we show that a $B$-valued random variable $X$ satisfies the (compact) law of the iterated logarithm if and only if $E\{ ||X|{|^2}/{L_2}||X||\} < \infty$, the family $\{ |{x^{\ast }}(X){|^2}; {x^{\ast }} \in {B^{\ast }}, ||{x^{\ast }}|| = 1\}$ is uniformly integrable and ${S_n}/{a_n} \to 0$ in probability.
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Additional Information
  • © Copyright 1986 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 294 (1986), 351-365
  • MSC: Primary 60B12; Secondary 60B11
  • DOI: https://doi.org/10.1090/S0002-9947-1986-0819953-X
  • MathSciNet review: 819953