中文

具有幂型尾部独立随机变量线性组合的无矩偏差不等式

概率论 2022-08-17 v4 泛函分析

摘要

在全部随机变量满足关于 P{Xi>t}\mathbb{P}\{\left\vert X_i\right\vert>t\} 的同类幂型尾部界(形式为 tqt^{-q}tq/2t^{-q/2}tq/2(lnt)q/2t^{-q/2}(\ln t)^{q/2},其中 q>2q>2)的假设下,我们给出了非负随机变量非负线性组合分位数的数量级估计,以及独立随机变量一般线性组合的偏差不等式。第三种类型适用于非线性情形。在我们考虑的情形中,这些结果改进了 Nagaev 的经典估计。

关键词

引用

@article{arxiv.2207.01867,
  title  = {Moment free deviation inequalities for linear combinations of independent random variables with power-type tails},
  author = {Daniel J. Fresen},
  journal= {arXiv preprint arXiv:2207.01867},
  year   = {2022}
}

备注

29 pages. A significant amount of the material here was originally part of arXiv:2203.12523 and/or arXiv:1812.10938 and now stands as a paper on its own. This paper used to have the title 'Variations and extensions of the Gaussian concentration inequality, Part IIa: Linear case'