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Solutions of Second Order Complex Differential Equation Having Certain Pre-given Zeros

Solutions of Second Order Complex Differential Equation Having Certain Pre-given Zeros For 0<s<1\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$0<s<1$$\end{document}, let Λ⊂D\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\Lambda \subset {\mathbb {D}}$$\end{document} be a separated sequence such that ∑zn∈Λ(1-|zn|)sδzn\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\sum _{z_n\in \Lambda }(1-|z_n|)^s \delta _{z_n}$$\end{document} is an s-Carleson measure. In this paper, we show that there exist certain analytic functions A such that the second order complex differential equation f′′+Af=0\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$f''+Af=0$$\end{document} admits a non-trivial solution f whose zero-sequence is Λ\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\Lambda $$\end{document}, where the solution f belongs to some Möbius invariant function spaces. We strengthen a previous result from the literature. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Computational Methods and Function Theory Springer Journals

Solutions of Second Order Complex Differential Equation Having Certain Pre-given Zeros

Computational Methods and Function Theory , Volume 21 (1) – May 11, 2020

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References (27)

Publisher
Springer Journals
Copyright
Copyright © Springer-Verlag GmbH Germany, part of Springer Nature 2020
ISSN
1617-9447
eISSN
2195-3724
DOI
10.1007/s40315-020-00318-9
Publisher site
See Article on Publisher Site

Abstract

For 0<s<1\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$0<s<1$$\end{document}, let Λ⊂D\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\Lambda \subset {\mathbb {D}}$$\end{document} be a separated sequence such that ∑zn∈Λ(1-|zn|)sδzn\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\sum _{z_n\in \Lambda }(1-|z_n|)^s \delta _{z_n}$$\end{document} is an s-Carleson measure. In this paper, we show that there exist certain analytic functions A such that the second order complex differential equation f′′+Af=0\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$f''+Af=0$$\end{document} admits a non-trivial solution f whose zero-sequence is Λ\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\Lambda $$\end{document}, where the solution f belongs to some Möbius invariant function spaces. We strengthen a previous result from the literature.

Journal

Computational Methods and Function TheorySpringer Journals

Published: May 11, 2020

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