Ultrapowers of Köthe function spaces.
Raynaud, Yves
Collectanea Mathematica, Tome 48 (1997), p. 733-742 / Harvested from Biblioteca Digital de Matemáticas
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The ultrapowers, relative to a fixed ultrafilter, of all the Köthe function spaces with non trivial concavity over the same measure space can be represented as Köthe function spaces over the same (enlarged) measure space. The existence of a uniform homeomorphism between the unit spheres of two such Köthe function spaces is reproved.

Publié le : 1997-01-01
DMLE-ID : 353 
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     title = {Ultrapowers of K\"othe function spaces.},
     journal = {Collectanea Mathematica},
     volume = {48},
     year = {1997},
     pages = {733-742},
     zbl = {0907.46024},
     mrnumber = {MR1602573},
     language = {en},
     url = {http://dml.mathdoc.fr/item/urn:eudml:doc:40962}
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Raynaud, Yves. Ultrapowers of Köthe function spaces.. Collectanea Mathematica, Tome 48 (1997) pp. 733-742. http://gdmltest.u-ga.fr/item/urn:eudml:doc:40962/