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Banach spacesX withX** separable
Authors:M Valdivia
Institution:(1) Facultad de Matemáticas, Dr. Moliner, 50, Burjasot, Valencia, Spain
Abstract:LetX be a Banach space and letZ be a closed subspace ofX** which containsX. It is proved in this paper that, in the caseX** separable, there exists a closed subspaceY ofX such thatX+ 
$$\bar Y$$
=Z, 
$$\bar Y$$
the closure ofY inX** for the weak-star topology.
Keywords:
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