On Milman's moduli for Banach spaces.
Maluta, Elisabetta, Prus, Stanisław, Szczepanik, Mariusz (2001)
Abstract and Applied Analysis
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Displaying similar documents to “Directional moduli of rotundity and smoothness”
On Milman's moduli for Banach spaces.
Some properties of Pythagorean modulus.
Wang, Fenghui (2007)
Journal of Inequalities and Applications [electronic only]
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Strong subdifferentiability of norms and geometry of Banach spaces
Gilles Godefroy, Vicente Montesinos, Václav Zizler (1995)
Commentationes Mathematicae Universitatis Carolinae
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The strong subdifferentiability of norms (i.eȯne-sided differentiability uniform in directions) is studied in connection with some structural properties of Banach spaces. It is shown that every separable Banach space with nonseparable dual admits a norm that is nowhere strongly subdifferentiable except at the origin. On the other hand, every Banach space with a strongly subdifferentiable norm is Asplund.
On convexity and smoothness of Banach space
Józef Banaś, Andrzej Hajnosz, Stanisław Wędrychowicz (1990)
Commentationes Mathematicae Universitatis Carolinae
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