Bull. Korean Math. Soc. 2004; 41(2): 275-282
Printed June 1, 2004
Copyright © The Korean Mathematical Society.
Soo Hak Sung
Pai Chai University
Let $\{a_{ni}, u_n\le i\le v_n, n\ge 1\}$ be an array of constants. Let $\{X_{ni}, u_n\le i\le v_n, n\ge 1\}$ be $\{a_{ni}\}$-uniformly integrable random variables. Weak laws for the weighted sums $\sum_{i=u_n}^{v_n} a_{ni}X_{ni}$ are obtained.
Keywords: weak law of large numbers, weighted sums, $r$-mean convergence, convergence in probability, arrays, uniform integrability
MSC numbers: 60F05, 60F25
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