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An Example Concerning Exposed Points
Published online by Cambridge University Press: 20 November 2018
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In his paper [1] V. L. Klee gave an example of a smooth bounded convex body C, in En, with the property that extC s closed and extC - expC is dense in extC. As in [1] extC and expC denote the sets of extreme and exposed points of C respectively. It is the purpose of this note to exhibit a similar example in a general separable Banach space using a direct construction which involves Minkowski summation of convex sets.
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- Research Article
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- Copyright © Canadian Mathematical Society 1965
References
1.
Klee, V. L., Extremal structure of convex sets II, Math. Zeitscrift
69 (1958), 90-114.CrossRefGoogle Scholar
2.
Day, M. M., Strict convexity and smoothness of normed spaces, Trans. Am, Math. Soc.
78 (1955), 516-528.CrossRefGoogle Scholar
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