
Concerning basis in a Banach space, a characterization for a weak basis to be a Schauder basis is given in terms of the geometrical behavior of the set of linear, closed hulls wich are generated by subsequences of the expansion sequences of the basis.
Geometry and structure of normed linear spaces, Schauder basis, Summability and bases; functional analytic aspects of frames in Banach and Hilbert spaces, reflexive Banach space, M-basis
Geometry and structure of normed linear spaces, Schauder basis, Summability and bases; functional analytic aspects of frames in Banach and Hilbert spaces, reflexive Banach space, M-basis
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