Projections in the J-sums of Banach spaces

We study some families of projections in the J -sums of Banach spaces J (Φ) and Jˆ(Φ) introduced by Bellenot. As an application, we show that, under some conditions, J (Φ) and Jˆ(Φ) are subprojective, i.e., every closed infinite-dimensional subspace of either of them contains a complemented infinite...

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Detalhes bibliográficos
Autores: González Ortiz, Manuel, Pello García, Javier
Formato: artículo
Fecha de publicación:2024
País:España
Recursos:Universidad de Cantabria (UC)
Repositorio:UCrea Repositorio Abierto de la Universidad de Cantabria
Idioma:inglés
OAI Identifier:oai:repositorio.unican.es:10902/34023
Acesso em linha:https://hdl.handle.net/10902/34023
Access Level:acceso abierto
Palavra-chave:Projections
Complemented Banach space
J-sum of Banach spaces
Descrição
Resumo:We study some families of projections in the J -sums of Banach spaces J (Φ) and Jˆ(Φ) introduced by Bellenot. As an application, we show that, under some conditions, J (Φ) and Jˆ(Φ) are subprojective, i.e., every closed infinite-dimensional subspace of either of them contains a complemented infinite-dimensional subspace.