累积量和阶乘矩的本影设置
An umbral setting for cumulants and factorial moments
摘要:
通过经典的影演算,我们提供了一个代数设置的累积量和阶乘矩。主要工具是与对数幂级数相连的单位本影的合成逆,以及这里介绍的一个新本影,单点本影。给出了用本影函数表示累积量、阶乘矩和中心矩的各种公式。
英文摘要:
We provide an algebraic setting for cumulants and factorial moments through the classical umbral calculus. Main tools are the compositional inverse of the unity umbra, connected with the logarithmic power series, and a new umbra here introduced, the singleton umbra. Various formulae are given expressing cumulants, factorial moments and central moments by umbral functions.
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