Almost constrained subspaces of Banach spaces

Bandyopadhyay, Pradipta; Dutta, S.

doi:10.1090/S0002-9939-03-07146-6

Almost constrained subspaces of Banach spaces
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by Pradipta Bandyopadhyay and S. Dutta PDF

Proc. Amer. Math. Soc. 132 (2004), 107-115 Request permission

Abstract:

In this paper, we obtain some sufficient conditions for an almost constrained subspace to be constrained (in fact, by a unique norm 1 projection), which improves significantly upon all existing conditions of similar type with significantly simpler proofs.

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