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Displaying similar documents to “Weakly unconditionally convergent series in M-ideals.”

On Banach spaces which are M-ideals in their biduals.

Juan Carlos Cabello Piñar (1990)

Extracta Mathematicae

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A Banach space X is an M-ideal in its bidual if the relation ||f + w|| = ||f|| + ||w|| holds for every f in X* and every w in X ⊥. The class of the Banach spaces which are M-ideals in their biduals, in short, the class of M-embedded spaces, has been carefully investigated, in particular by A. Lima, G. Godefroy and the West Berlin School. The spaces c0(I) -I any set- equipped with their canonical norm belong...