Weak compactness, transfinite Schauder bases and differentiability
2008 - S. Lajara
Topology and its applications, 155, 1430-1433 (2008).
authors IMACI
We provide a characterization of the class of nonseparable Banach spaces that contain a nonseparable weakly compact set (respectively a relatively weakly compact transfinite basic sequence) in terms of differentiability properties of those spaces.