Abstract
Let \({(X_n;n \geq 1)}\) be a sequence of independent random variables with infinite rth absolute moments for some \({0 < r < 2}\). We investigate weak laws of large numbers for the weighted sum \({S_n = \sum_{j=1}^{m_n}c_{nj}X_j}\), where \({(c_{nj};1 \leq j \leq m_n,n \geq 1)}\) is an array of real numbers. As illustrative examples, we obtain a weak law of large numbers of extended Pareto–Zipf distributions and generalized Feller Game. Furthermore, these results are applied to study weak law of large numbers of moving average sums of a sequence of i.i.d. random variables.
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This research has been partially supported by Vietnams National Foundation for Science and Technology Development (grant no. 101.03-2017.24), the Vietnam National University, Hanoi (grant no. QG.16.09) and Da Nang Universitty of Education (grant no. T2017-TD-03-07).
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Dung, L.V., Son, T.C. & Yen, N.T.H. Weak Laws of Large Numbers for sequences of random variables with infinite rth moments. Acta Math. Hungar. 156, 408–423 (2018). https://doi.org/10.1007/s10474-018-0865-0
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DOI: https://doi.org/10.1007/s10474-018-0865-0