English

Nevanlinna functions with real zeros

Complex Variables 2009-09-29 v3 Classical Analysis and ODEs

Abstract

We show that for every non-negative integer d, there exist differential equations w''+Pw=0, where P is a polynomial of degree d, such that some non-trivial solution w has all zeros real.

Keywords

Cite

@article{arxiv.math/0310496,
  title  = {Nevanlinna functions with real zeros},
  author = {Alexandre Eremenko and Sergei Merenkov},
  journal= {arXiv preprint arXiv:math/0310496},
  year   = {2009}
}

Comments

20 pages, 5 figures. Some misprints corrected