English

A note on harmonic continuation of characteristic function

Classical Analysis and ODEs 2020-09-10 v1 Probability

Abstract

We propose a necessary and sufficient condition for a real-valued function on the real line to be a characteristic function of a probability measures. The statement is given in terms of harmonic functions and completely monotonic functions.

Keywords

Cite

@article{arxiv.2009.04449,
  title  = {A note on harmonic continuation of characteristic function},
  author = {Saulius Norvidas},
  journal= {arXiv preprint arXiv:2009.04449},
  year   = {2020}
}

Comments

7 pages

R2 v1 2026-06-23T18:25:27.526Z