Abstract
We show that if E is a complex Banach space which contains no subspace isomorphic to l1, then each infinite dimensional subspace of E′ contains a normalized sequence which converges to zero for the weak star topology.
Dedication
Dedicated to the memory of Klaus Floret (1941–2002).
Citation
Jorge Mujica. "Banach spaces not containing l1." Ark. Mat. 41 (2) 363 - 374, October 2003. https://doi.org/10.1007/BF02390820
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