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Geometry of Banach spaces and biorthogonal systems

S. J. Dilworth, Maria Girardi, W. B. Johnson

math.FAarXiv:math/9911156

Abstract

A separable Banach space X contains 1 isomorphically if and only if X has a bounded wc0*-stable biorthogonal system. The dual of a separable Banach space X fails the Schur property if and only if X has a bounded wc0*-biorthogonal system.

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