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arXiv 2001.01123math.PR
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CLT收敛速率非一致估计中常数的下界

Lower bounds for the constants in non-uniform estimates of the rate of convergence in the CLT

Irina Shevtsova

摘要:

我们对Nagaev-Bikelis和Bikelis-Petrov不等式中的常数进行了比较分析,这两个不等式建立了$2+δ$阶和$δ\in[0,1]$阶具有有限绝对矩的独立随机变量和的中心极限定理的收敛速率的非一致估计.我们给出了上述常数的下界,也给出了Nagaev-Bikelis不等式结构改进中常数的下界.给出了Nagaev-Bikelis不等式的下界及其结构改进,它依赖于$δ$和一个结构参数$s$,并且关于$δ$和$s$是一致的.首次给出了Nagaev-Bikelis不等式与$δ<1$及Bikelis-Petrov不等式中常数的下界.

英文摘要:

We conduct a comparative analysis of the constants in the Nagaev-Bikelis and Bikelis-Petrov inequalities which establish non-uniform estimates of the rate of convergence in the central limit theorem for sums of independent random variables possessing finite absolute moments of order $2+δ$ with $δ\in[0,1]$. We provide lower bounds for the above constants and also for the constants in the structural improvements of Nagaev-Bikelis' inequality. The lower bounds in Nagaev-Bikelis' inequality and it's structural improvements are given in dependence on $δ$ and a structural parameter $s$ as well as uniform with respect to both $δ$ and $s$. Lower bounds for the constants in Nagaev-Bikelis' with $δ<1$ and Bikelis-Petrov's inequalities are presented for the first time.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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