On the classes of hereditarily ℓp Banach spaces |
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Authors: | P Azimi A A Ledari |
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Institution: | (1) Department of Mathematics, University of Sistan and Baluchestan, Zahedan, Iran |
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Abstract: | Let X denote a specific space of the class of X
α,p
Banach sequence spaces which were constructed by Hagler and the first named author as classes of hereditarily ℓp Banach spaces. We show that for p > 1 the Banach space X contains asymptotically isometric copies of ℓp. It is known that any member of the class is a dual space. We show that the predual of X contains isometric copies of ℓp where 1/p + 1/q = 1. For p = 1 it is known that the predual of the Banach space X contains asymptotically isometric copies of c
0. Here we give a direct proof of the known result that X contains asymptotically isometric copies of ℓ1. |
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Keywords: | Banach spaces asymptotically isometric copy of ℓ p hereditarily ℓ p Banach spaces |
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