Compact and Hilbert-Schmidt composition operators on weighted Hardy spaces

Lefèvre, Li, Queffélec, and Rodríguez-Piazza [12] recently characterized the sequences $β$ for which the weighted Hardy space $H^2(β)$ has the same bounded composition operators as the Hardy space $H^2$. We investigate the analogous questions for the compactness and the $p$-Schatten classes: for which sequences $β$ does the space $H^2(β)$ have the same compact or $p$-Schatten class composition operators as $H^2$?

Authors

Publication Details

Journal
arXiv (Cornell University)
Published
2026-10-29
DOI
https://doi.org/10.48550/arxiv.2610.40148
Primary Topic
Holomorphic and Operator Theory
Type
preprint
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preprint

Compact and Hilbert-Schmidt composition operators on weighted Hardy spaces

Daniel Seco, Francisco J. Cruz-Zamorano, Eugenio Dellepiane
arXiv (Cornell University)
Holomorphic and Operator Theory
preprint

Compact and Hilbert-Schmidt composition operators on weighted Hardy spaces

Daniel Seco, Francisco J. Cruz-Zamorano, Eugenio Dellepiane
preprint en

Abstract

Lefèvre, Li, Queffélec, and Rodríguez-Piazza [12] recently characterized the sequences $β$ for which the weighted Hardy space $H^2(β)$ has the same bounded composition operators as the Hardy space $H^2$. We investigate the analogous questions for the compactness and the $p$-Schatten classes: for which sequences $β$ does the space $H^2(β)$ have the same compact or $p$-Schatten class composition operators as $H^2$?

arXiv (Cornell University)
Holomorphic and Operator Theory
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Compact and Hilbert-Schmidt composition operators on weighted Hardy spaces — Daniel Seco, Francisco J. Cruz-Zamorano, et al. · arXiv (Cornell University) (2026) | TGRS Research Map | TGRS