Abstract
We study the composition operators of the Hardy space on \(\mathbb D^\infty \cap \ell _1\), the \(\ell _1\) part of the infinite polydisk, and the behavior of their approximation numbers.
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The third-named author is partially supported by the Project MTM2015-63699-P (Spanish MINECO and FEDER funds).
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Li, D., Queffélec, H. & Rodríguez-Piazza, L. Approximation Numbers of Composition Operators on the Hardy Space of the Infinite Polydisk. Integr. Equ. Oper. Theory 89, 493–505 (2017). https://doi.org/10.1007/s00020-017-2408-4
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DOI: https://doi.org/10.1007/s00020-017-2408-4