Non-normable spaces of analytic functions

Fuente: arXiv
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Main Authors: Jiménez, Iván, Vukotić, Dragan
Format: Preprint
Published: 2024
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author Jiménez, Iván
Vukotić, Dragan
author_facet Jiménez, Iván
Vukotić, Dragan
contents For each value of $p$ such that $0<p<1$, we give a specific example of two functions in the Hardy space $H^p$ and in the Bergman space $A^p$ that do not satisfy the triangle inequality. For Hardy spaces, this provides a much simpler proof than the one due to Livingston that involves abstract functional analysis arguments and an approximation theorem. For Bergman spaces, we have not been able to locate any examples or proofs in the existing literature.
format Preprint
id arxiv_https___arxiv_org_abs_2407_21212
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Non-normable spaces of analytic functions
Jiménez, Iván
Vukotić, Dragan
Complex Variables
30H05
For each value of $p$ such that $0<p<1$, we give a specific example of two functions in the Hardy space $H^p$ and in the Bergman space $A^p$ that do not satisfy the triangle inequality. For Hardy spaces, this provides a much simpler proof than the one due to Livingston that involves abstract functional analysis arguments and an approximation theorem. For Bergman spaces, we have not been able to locate any examples or proofs in the existing literature.
title Non-normable spaces of analytic functions
topic Complex Variables
30H05
url https://arxiv.org/abs/2407.21212