About the Banach Envelope of l<sub>1,∞</sub>

  • Albrecht Pietsch

Resumo

We study the Banach envelope of the quasi-Banach space l1,∞ consisting of all sequences x=(ξ k) with sn(x)=O(1/n), where (sn (x)) denotes the non-increasing rearrangement of x=(ξ k) The situation turns out to be much more complicated than that in the well-known case of the separable subspace lo1,∞, whose members are characterized by sn(x) =o(1/n).

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Publicado
2009-03-11
Como Citar
Pietsch A. (2009). About the Banach Envelope of l<sub>1,∞</sub>. Revista Matemática Complutense, 22(1), 209-226. https://doi.org/10.5209/rev_REMA.2009.v22.n1.16350
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