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arXiv 1702.02826math.STecon.GNmath-phmath.MPq-fin.ECstat.TH
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超广义中心极限定理:非同分布随机变量求和的极限分布

Super Generalized Central Limit Theorem: Limit distributions for sums of non-identical random variables with power-laws

Kyoto University(京都大学)

Masaru Shintani, Ken Umeno

AI总结:

本文研究非同分布随机变量求和的极限分布,证明其收敛于唯一稳定分布,解释了稳定分布的普遍性。

摘要:

在自然界或社会中,幂律普遍存在,因此在大数据时代研究幂律的数学特性至关重要。本文证明非同分布的随机过程叠加后,其密度收敛于唯一稳定分布。这一性质可用于解释稳定分布的普遍性,即非同分布股票价格波动的对数收益率之和遵循稳定分布。

英文摘要:

In nature or societies, the power-law is present ubiquitously, and then it is important to investigate the mathematical characteristics of power-laws in the recent era of big data. In this paper we prove the superposition of non-identical stochastic processes with power-laws converges in density to a unique stable distribution. This property can be used to explain the universality of stable laws such that the sums of the logarithmic return of non-identical stock price fluctuations follow stable distributions.

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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