Complex zero strip decreasing operators
Complex Variables
2015-01-30 v2
Abstract
In this paper we study the effect of linear differential operators coming from the Laguerre-Polya class that act on functions in the extended Laguerre-Polya class with zeros in a horizontal strip in the complex plane. These operator decrease the size of the strip containing the zeros.
Cite
@article{arxiv.1401.0237,
title = {Complex zero strip decreasing operators},
author = {David A. Cardon},
journal= {arXiv preprint arXiv:1401.0237},
year = {2015}
}
Comments
17 pages, corrected several typos, added a citation. appears in Math. Anal. Appl. (2015)