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...

Descripción completa

Detalles Bibliográficos
Autores: Hernández, Francisco L., Ruiz Bermejo, César, Sanchiz Alonso, Mauro
Tipo de recurso: artículo
Fecha de publicación:2021
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/8166
Acceso en línea:https://hdl.handle.net/20.500.14352/8166
Access Level:acceso abierto
Palabra clave:517.98
Variable exponent Lebesgue spaces
Weak compactness
Equi-integrability
Weak Banach-Saks property
Análisis funcional y teoría de operadores
Descripción
Sumario: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.