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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)


A remark on strongly exposing functionals

Author: Ka Sing Lau
Journal: Proc. Amer. Math. Soc. 59 (1976), 242-244
MSC: Primary 46B05
MathSciNet review: 0415274
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Abstract: By using the concept of farthest points, we show that the set of strongly exposing functionals of a weakly compact convex subset in a Banach space $ X$ is a dense $ {G_\delta }$ in $ {X^{\ast}}$. The construction also gives a new proof of existence of strongly exposed points in weakly compact convex sets.

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PII: S 0002-9939(1976)0415274-7
Keywords: Banach spaces, farthest points, locally uniformly convex, strongly exposed points, strongly exposing functionals
Article copyright: © Copyright 1976 American Mathematical Society

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