ON ELEMENTARY CHARACTERIZATIONS OF THE -MODIFIED
POISSON DISTRIBUTION
Katarzyna Steliga
Dominik Szynal
Abstract: In this article we give a characterization of -modified Poisson distributions extending
Chatterji’s result. Moreover, we consider the -modified Poisson distributions of type
which are known as Delaporte distributions.
2000 AMS Mathematics Subject Classification: Primary: 60E05; Secondary:
62E10.
Keywords and phrases: Poisson distribution, -modified Poisson distribution,
-modified binomial distribution, Delaporte distribution, Riordan symbol.