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No zero divisor for Wick product in (S)*

机译:(S)中的Wick产品无零除数*

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摘要

In White Noise Analysis (WNA), various random quantities are analyzed as elements of (S)*, the space of Hida distributions. Hida distributions are generalized functions of white noise, which is to be naturally viewed as the derivative of the Brownian motion. On (S)*, the Wick product is defined in terms of the S-transform. We have found such a remarkable property that the Wick product has no zero divisors among Hida distributions. This result is a WNA version of Titchmarsh's theorem and is expected to play fundamental roles in developing the "operational calculus" in WNA along the line of Mikusinski's version for solving differential equations.
机译:在白噪声分析(WNA)中,分析各种随机量作为(S)*的元素,即Hida分布的空间。 Hida分布是白噪声的广义函数,自然可以将其视为布朗运动的导数。在(S)*上,根据S变换定义Wick乘积。我们发现了如此卓越的性能,以至于Wick分布中的Wick产品没有零除数。该结果是Titchmarsh定理的WNA版本,并有望沿着Mikusinski版本的求解微分方程的版本在WNA中开发“运算演算”中发挥基本作用。

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