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Some remarks on James-Schreier spaces.

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<mark>Journal publication date</mark>15/11/2010
<mark>Journal</mark>Journal of Mathematical Analysis and Applications
Issue number2
Number of pages5
Pages (from-to)609-613
Publication StatusPublished
<mark>Original language</mark>English


The James-Schreier spaces V_p, where p is a real number greater than or equal to 1, were recently introduced by Bird and Laustsen as an amalgamation of James' quasi-reflexive Banach space on the one hand and Schreier's Banach space giving a counterexample to the Banach-Saks property on the other. The purpose of this note is to answer some questions left open by Bird and Laustsen. Specifically, we prove that (i) the standard Schauder basis for the first James-Schreier space V_1 is shrinking, and (ii) any two Schreier or James-Schreier spaces with distinct indices are non-isomorphic. The former of these results implies that V_1 does not have Pelczynski's property (u) and hence does not embed in any Banach space with an unconditional Schauder basis.

Bibliographic note

2000 Mathematics Subject Classification: primary 46B03, 46B45; secondary 46B15. The final, definitive version of this article has been published in the Journal, Journal of Mathematical Analysis and Applications 371 (2), 2010, © ELSEVIER.