On some subsets of the dual of a Banach space.



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Bombal Gordón, Fernando (1991) On some subsets of the dual of a Banach space. In Mathematical contributions in memory of Professor Victor Manuel Onieva Aleixandre. Universidad de Cantabria, Santander, pp. 35-41. ISBN 84-87412-40-8


With the definition that a Banach space E has the property sDP if the Dunford-Pettis operators and the unconditionally converging operators from E into F coincide for every Banach space F, the author proves that E has property sDP if and only if two specified classes of subsets of the dual space E\sp* of E coincide. He obtains a corresponding characterization of the Dunford-Pettis property of a Banach space E, i.e., that every weakly compact operator from E into F is also a Dunford-Pettis operator for every Banach space F. Additional results about the property sDP and easy proofs of certain known theorems are also given.

Item Type:Book Section
Uncontrolled Keywords:sDP property; Dunford-Pettis operators; unconditionally converging operators; weakly compact operator
Subjects:Sciences > Mathematics > Algebraic geometry
ID Code:19933
Deposited On:12 Feb 2013 17:07
Last Modified:12 Feb 2013 17:07

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