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On strictly singular and strictly cosingular embeddings between Banach lattices of functions

Published online by Cambridge University Press:  26 July 2002

FERNANDO COBOS
Affiliation:
Departamento de Análisis Matemático, Facultad de Matemáticas, Universidad Complutense de Madrid, 28040 Madrid, Spain. e-mail: cobos@mat.ucm.es
EVGENIY PUSTYLNIK
Affiliation:
Department of Mathematics, Technion-Israel Institute of Technology, Haifa 32000, Israel. e-mail: evg@techunix.technion.ac.il

Abstract

Let E be a Banach function lattice such that L[0, 1] [rarrhk ] E [rarrhk ] L1[0, 1]. We characterize the strict singularity of the embedding L[0, 1] [rarrhk ] E and the strict cosingularity of E [rarrhk ] L1[0, 1] in terms of functionals defined by using characteristic functions.

Type
Research Article
Copyright
2002 Cambridge Philosophical Society

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