English

A criterion and a Cram\'er-Wold device for quasi-infinite divisibility for discrete multivariate probability laws

Probability 2023-03-08 v2

Abstract

Multivariate discrete probability laws are considered. We show that such laws are quasi-infinitely divisible if and only if their characteristic functions are separated from zero. We generalize the existing results for the univariate discrete laws and for the multivariate laws on Zd\mathbb{Z}^d. The Cram\'er-Wold devices for infinite and quasi-infinite divisibility were proved.

Keywords

Cite

@article{arxiv.2210.12313,
  title  = {A criterion and a Cram\'er-Wold device for quasi-infinite divisibility for discrete multivariate probability laws},
  author = {I. A. Alexeev and A. A. Khartov},
  journal= {arXiv preprint arXiv:2210.12313},
  year   = {2023}
}