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Random series in using unconditional basic sequences and stable sequences: A result on almost sure almost everywhere convergence
Authors:Juan M. Medina   B. Cernuschi-Frí  as
Affiliation:Facultad de Ingeniería, Paseo Colón 850 (1063), Capital Federal, Depto. de Mathemática, Universidad de Buenos Aires and Instituto Argentino de Matemática, Conicet, Argentina ; Facultad de Ingeniería, Universidad de Buenos Aires and Instituto Argentino de Matemática, Conicet, Argentina
Abstract:Here we study the almost sure almost everywhere convergence of random series of the form $ sum_{i=1}^{infty} {a_i f_i}$ in the Lebesgue spaces $ L^p(X,Sigma,mu)$, where the $ a_i$'s are centered random variables, and the $ f_i$'s constitute an unconditional basic sequence or an $ l^p$ stable sequence. We show that if one of these series converges in the norm topology almost surely, then it converges almost everywhere almost surely.

Keywords:Unconditional basic sequence   almost sure convergence   random series.
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