On the hyperbolic group and subordinated integrals as operators on sequence Banach spaces

We show that the composition hyperbolic group in the unit disc, once transferred to act on sequence spaces, is bounded on $$\ell^p$$ ℓ p if and only if $${p=2}$$ p = 2 . We introduce some integral operators subordinated to that group which are natural generalizations of classical operators on sequen...

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Bibliographic Details
Published in:Analysis mathematica (Budapest) 2024-09
Main Authors: Abadias, L., Galé, J. E., Miana, P. J., Oliva-Maza, J.
Format: Article
Language:English
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Summary:We show that the composition hyperbolic group in the unit disc, once transferred to act on sequence spaces, is bounded on $$\ell^p$$ ℓ p if and only if $${p=2}$$ p = 2 . We introduce some integral operators subordinated to that group which are natural generalizations of classical operators on sequences. For the description of such operators, we use some combinatorial identities which look interesting in their own.
ISSN:0133-3852
1588-273X
DOI:10.1007/s10476-024-00047-4