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Complemented subspaces and the Hahn-Banach extension property in lp(0 < p < 1)

Published online by Cambridge University Press:  18 May 2009

M. A. Ariño
Affiliation:
Department of Mathematical Analysis, University of Barcelona, Gran Via 585, Barcelona 08007, Spain
M. A. Canela
Affiliation:
Department of Mathematical Analysis, University of Barcelona, Gran Via 585, Barcelona 08007, Spain
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In this article, we study some questions related to the complementation and the Hahn-Banach property for subspaces of lp, for 0 < p < 1. Some results which are stated here have appeared in the work of W. J. Stiles [4, 5] and N. Popa [3], but our proofs are simpler. We solve a problem raised by Popa [3], concerning complemented copies of lp contained in lp.

Information

Type
Research Article
Copyright
Copyright © Glasgow Mathematical Journal Trust 1986