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Title: | Rates of convergence for the Nummelin conditional weak law of large numbers |
Authors: | Kuelbs, J Meda-Guardiola, Ana |
Issue Date: | 2002 |
Abstract: | Let (B, parallel to . parallel to) be a real separable Banach space of dimension 1 less than or equal to d less than or equal to infinity, and assume X,X-1, X-2,... are i.i.d. B valued random vectors with law mu=L(X) and mean m=integral(B) xdmu(x). Nummelin's conditional weak law of large numbers establishes that under suitable conditions on (D subset of B, mu) and for every epsilon > 0, lim(n) P(parallel toS(n)/n-a(0)parallel to < ε\S-n/n &ISIN D)=1, with a(0) the dominating point of D and S-n = &USigma;(n)(j=1) X-j. We study the rates of convergence of such laws, i.e., we examine lim(n) P(parallel toS(n)/n - a(0)parallel to < t/n(r)/S-n/n &ISIN D) as d, r, t and D vary. It turns out that the limit is sensitive to variations in these parameters. Additionally, we supply another proof of Nummelin's law of large numbers. Our results are most complete when 1 &LE d < infinity, but we also include results when d=infinity, mainly in Hilbert space. A connection to the Gibbs conditioning principle is also examined. (C) 2001 Elsevier Science B.V. All rights reserved. |
URI: | http://hdl.handle.net/11154/2529 |
ISSN: | 0304-4149 |
Appears in Collections: | Matemáticas
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