EXTREME POINTS IN LARGE SUBSPACES OF <em>l<sub>1</sub> </em>

Original Articles

EXTREME POINTS IN LARGE SUBSPACES OF l1

Published in: Quaestiones Mathematicae
Volume 17 , issue 2 , 1994 , pages: 217–223
DOI: 10.1080/16073606.1994.9631760
Author(s): RobertH. Lohman Department of Mathematics and Computer Science, USA
Keywords: 46B20 , 46B15 , 46B20 , 46B15
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Abstract

If Y is a closed, finite-codimensional subspace of l1 the extreme points of the closed unit ball BY have finite support. This is used to show that every member of BY is expressible as an infinite convex series of extreme points of BY.
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