The Banach–Saks property in rearrangement invariant spaces
Studia Mathematica, Tome 162 (2004) no. 3, pp. 263-294

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This paper studies the Banach–Saks property in rearrangement invariant spaces on the positive half-line. A principal result of the paper shows that a separable rearrangement invariant space $E$ with the Fatou property has the Banach–Saks property if and only if $E$ has the Banach–Saks property for disjointly supported sequences. We show further that for Orlicz and Lorentz spaces, the Banach–Saks property is equivalent to separability although the separable parts of some Marcinkiewicz spaces fail the Banach–Saks property.
DOI : 10.4064/sm162-3-6
Keywords: paper studies banach saks property rearrangement invariant spaces positive half line principal result paper shows separable rearrangement invariant space fatou property has banach saks property only has banach saks property disjointly supported sequences further orlicz lorentz spaces banach saks property equivalent separability although separable parts marcinkiewicz spaces fail banach saks property

P. G. Dodds 1 ; E. M. Semenov 2 ; F. A. Sukochev 1

1 School of Informatics and Engineering Flinders University Bedford Park, SA 5042, Australia
2 Department of Mathematics Voronezh State University Universitetskaya pl. 1 Voronezh, 394693, Russia
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P. G. Dodds; E. M. Semenov; F. A. Sukochev. The Banach–Saks property in rearrangement
 invariant spaces. Studia Mathematica, Tome 162 (2004) no. 3, pp. 263-294. doi: 10.4064/sm162-3-6

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