Admissibility of majorants in certain model subspaces: Necessary conditions

Autor:	Yu. S. Belov
Rok vydání:	2009
Předmět:	Discrete mathematics symbols.namesake Algebra and Number Theory Applied Mathematics Blaschke product symbols Function (mathematics) Nonnegative function Linear subspace Analysis Mathematics Meromorphic function
Zdroj:	St. Petersburg Mathematical Journal. 20:507-525
ISSN:	1061-0022
Popis:	A nonnegative function ω on R is called an admissible majorant for an inner function Θ if there is a nonzero function f ∈ H 2 � ΘH 2 such that |f |≤ ω. Some conditions necessary for admissibility are presented in the case where Θ is meromorphic.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::4dad065819f1ad1710a11eb4c77862fa https://doi.org/10.1090/s1061-0022-09-01059-0 Zobrazit plný text záznamu