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Bounded completeness and Schauder's basis for C[0, 1]
Published online by Cambridge University Press: 18 May 2009
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A basis , for a Banach space X is said to be boundedly complete [4, p. 284] if whenever is a sequence of scalars for which converges. It is well-known [2, p. 70] that if is a boundedly complete basis for X then X is isometric to a conjugate space; in fact, X = [fi]*, where is the sequence of coefficient functionals associated with the basis It follows that no basis for C[0,1] can be boundedly complete since no separable conjugate space contains C0[l], yet C[0,1] is a separable space which contains c0.
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- Copyright © Glasgow Mathematical Journal Trust 1986
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