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Sur la convergence presque sure, au sens de Cesaro d'ordre α, 0<α<1, de variables aléatoires indepéndantes et identiquement distribuées
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  • Published: November 1988

Sur la convergence presque sure, au sens de Cesaro d'ordre α, 0<α<1, de variables aléatoires indepéndantes et identiquement distribuées

  • Y. Déniel1 &
  • Y. Derriennic1 

Probability Theory and Related Fields volume 79, pages 629–636 (1988)Cite this article

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Summary

We prove the following theorem: «Given 0<α≦1, the (C, α)-means of a sequence of i.i.d. random variables X n converge a.s. iff E|X n|1/α<∞.» For 1/2<α≦1 and 0<α<1/2 this result is essentially known. We give here a proof of the case α=1/2; an important tool is a theorem of Hsu and Robbins [5].

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References

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Authors and Affiliations

  1. Département de Mathématiques et Informatique, Faculté des Sciences, Université de Bretagne Occidentale, 6 Av. Le Gorgeu, F-29287, Brest, France

    Y. Déniel & Y. Derriennic

Authors
  1. Y. Déniel
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  2. Y. Derriennic
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Déniel, Y., Derriennic, Y. Sur la convergence presque sure, au sens de Cesaro d'ordre α, 0<α<1, de variables aléatoires indepéndantes et identiquement distribuées. Probab. Th. Rel. Fields 79, 629–636 (1988). https://doi.org/10.1007/BF00318787

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  • Received: 18 September 1987

  • Issue Date: November 1988

  • DOI: https://doi.org/10.1007/BF00318787

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