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On normal approximation of discounted and strongly mixing random variables
Authors:J Sunklodas
Institution:(1) Institute of Mathematics and Informatics, Akademijos 4, LT-08663 Vilnius;(2) Vilnius Gediminas Technical University, Saulétekio 11, LT-10223 Vilnius, Lithuania
Abstract:We estimate the difference 
$$\left| {\mathbb{E}h(Z_v ) - \mathbb{E}h(N)} \right|$$
for bounded functions h: ℝ → ℝ satisfying the Lipschitz condition, where Z v = B v −1 i=0 v i X i and 
$$B_v^2  = \mathbb{E}(\sum\nolimits_{i = 0}^\infty  {\upsilon ^i X_i } )^2  > 0$$
with discount factor ν such that 0 < ν < 1. Here {X n , n ≥ 0} is a sequence of strongly mixing random variables with 
$$\mathbb{E}X_n  = 0$$
, and N is a standard normal random variable. In a particular case, the obtained upper bounds are of order O((1 − ν)1/2). Published in Lietuvos Matematikos Rinkinys, Vol. 47, No. 3, pp. 399–409, July–September, 2007. The research was partially supported by the Lithuanian State Science and Studies Foundation, grant No. T-15/07.
Keywords:discounted central limit theorem  strong mixing condition  Lipschitz condition  Stein’  s method
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