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arXiv 1302.4885math.PRmath.OA
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关于经典Meixner分布的自由无限整除性

On free infinite divisibility for classical Meixner distributions

Marek Bozejko, Takahiro Hasebe

摘要:

我们证明了对称Meixner分布,其概率密度正比于$|Γ(t+ix)|^2$,是自由无限可分的$0<t\leq\frac{1}{2}$。$t=\frac{1}{2}$情形对应于概率密度为$\frac{1}{\cosh(πx)}$的Lévy随机区域定律。概率密度与$\frac{1}{\cosh^2(πx)}$成比例的逻辑斯谛分布也是自由无限可分的。

英文摘要:

We prove that symmetric Meixner distributions, whose probability densities are proportional to $|Γ(t+ix)|^2$, are freely infinitely divisible for $0<t\leq\frac{1}{2}$. The case $t=\frac{1}{2}$ corresponds to the law of Lévy's stochastic area whose probability density is $\frac{1}{\cosh(πx)}$. A logistic distribution, whose probability density is proportional to $\frac{1}{\cosh^2(πx)}$, is freely infinitely divisible too.

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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