Extremal structure of the unit ball of d
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Patrick N. Dowling; Satit Saejung
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Article
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2008
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Elsevier Science
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English
⚖ 172 KB
We characterize the extreme points and smooth points of the unit ball of certain direct sums of Banach spaces. We use these results to characterize noncreasiness and uniform noncreasiness of direct sums, thereby extending results of the second author [S. Saejung, Extreme points, smooth points and no