A simplification in the proof of the non-isomorphism between H¹(δ) and H¹(δ²)
Paul F. X. Müller
Studia Mathematica, Tome 151 (2002), p. 13-16 / Harvested from The Polish Digital Mathematics Library
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The proof that H¹(δ) and H¹(δ²) are not isomorphic is simplified. This is done by giving a new and simple proof to a martingale inequality of J. Bourgain.

Publié le : 2002-01-01
EUDML-ID : urn:eudml:doc:284983 
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     year = {2002},
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Paul F. X. Müller. A simplification in the proof of the non-isomorphism between H¹(δ) and H¹(δ²). Studia Mathematica, Tome 151 (2002) pp. 13-16. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-sm150-1-2/