Norming subspaces isomorphic to ℓ 1

Verfasser / Beitragende:
[Sofiya Ostrovska]
Ort, Verlag, Jahr:
2015
Enthalten in:
Acta Mathematica Sinica, English Series, 31/5(2015-05-01), 767-771
Format:
Artikel (online)
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024 7 0 |a 10.1007/s10114-015-4123-x  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s10114-015-4123-x 
100 1 |a Ostrovska  |D Sofiya  |u Department of Mathematics, Atilim University, 06836, Incek, Ankara, Turkey  |4 aut 
245 1 0 |a Norming subspaces isomorphic to ℓ 1  |h [Elektronische Daten]  |c [Sofiya Ostrovska] 
520 3 |a Norming subspaces are studied widely in the duality theory of Banach spaces. These subspaces are applied to the Borel and Baire classifications of the inverse operators. The main result of this article asserts that the dual of a Banach space X contains a norming subspace isomorphic to ℓ 1 provided that the following two conditions are satisfied: (1) X* contains a subspace isomorphic to ℓ 1; and (2) X* contains a separable norming subspace. 
540 |a Institute of Mathematics, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Chinese Mathematical Society and Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Banach space  |2 nationallicence 
690 7 |a norming subspace  |2 nationallicence 
690 7 |a dual space  |2 nationallicence 
690 7 |a weak* convergence  |2 nationallicence 
690 7 |a free ultrafilter  |2 nationallicence 
773 0 |t Acta Mathematica Sinica, English Series  |d Institute of Mathematics, Chinese Academy of Sciences and Chinese Mathematical Society  |g 31/5(2015-05-01), 767-771  |x 1439-8516  |q 31:5<767  |1 2015  |2 31  |o 10114 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
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950 |B NATIONALLICENCE  |P 100  |E 1-  |a Ostrovska  |D Sofiya  |u Department of Mathematics, Atilim University, 06836, Incek, Ankara, Turkey  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Acta Mathematica Sinica, English Series  |d Institute of Mathematics, Chinese Academy of Sciences and Chinese Mathematical Society  |g 31/5(2015-05-01), 767-771  |x 1439-8516  |q 31:5<767  |1 2015  |2 31  |o 10114