Weak compactness in variable exponent spaces

This paper shows necessary and sufficient conditions on subsets of variable exponent spaces Lp(·)(Ω) in order to be weakly compact. Useful criteria are given extending Andô results for Orlicz spaces. As application, we prove that all separable variable exponent spaces are weakly Banach-Saks. Also, L...

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Detalhes bibliográficos
Autores: Hernández, Francisco L., Ruiz Bermejo, César, Sanchiz Alonso, Mauro
Tipo de documento: artigo
Data de publicação:2021
País:España
Recursos:Universidad Complutense de Madrid (UCM)
Repositório:Docta Complutense
Idioma:inglês
OAI Identifier:oai:docta.ucm.es:20.500.14352/8166
Acesso em linha:https://hdl.handle.net/20.500.14352/8166
Access Level:Acceso aberto
Palavra-chave:517.98
Variable exponent Lebesgue spaces
Weak compactness
Equi-integrability
Weak Banach-Saks property
Análisis funcional y teoría de operadores
Descrição
Resumo:This paper shows necessary and sufficient conditions on subsets of variable exponent spaces Lp(·)(Ω) in order to be weakly compact. Useful criteria are given extending Andô results for Orlicz spaces. As application, we prove that all separable variable exponent spaces are weakly Banach-Saks. Also, L-weakly compact and weakly compact inclusions between variable exponent spaces are studied.