Degenerate binomial and degenerate Poisson random variables
Abstract
The aim of this paper is to study the Poisson random variables in relation to the Lah-Bell polynomials and the degenerate binomial and degenerate Poisson random variables in connection with the degenerate Lah-Bell polynomials. Among other things, we show that the rising factorial moments of the degenerate Poisson random variable with parameter {\alpha} are given by the degenerate Lah-Bell polynomials evaluated at {\alpha}. We also show that the probability-generating function of the degenerate Poisson random variable is equal to the generating function of the degenerate Lah-Bell polynomials. Also, we show similar results for the Poisson random variables. Here the nth Lah-Bell number counts the number of ways a set of n elements can be partitioned into non-empty linearly ordered subsets, the Lah-Bell polynomials are natural extensions of the Lah-Bell numbers and the degenerate Lah-Bell polynomials are degenerate versions of the Lah-Bell polynomials.
Keywords
Cite
@article{arxiv.2008.03769,
title = {Degenerate binomial and degenerate Poisson random variables},
author = {Dae San Kim and Taekyun Kim},
journal= {arXiv preprint arXiv:2008.03769},
year = {2020}
}
Comments
10 pages