On the p-drop theorem, 1 ≤ p ≤∞.
Abdelhakim Maaden (2002)
Extracta Mathematicae
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Abdelhakim Maaden (2002)
Extracta Mathematicae
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Huynh Van Ngai, Jean-Paul Penot (2008)
Studia Mathematica
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We study a class of functions which contains both convex functions and differentiable functions whose derivatives are locally Lipschitzian or Hölderian. This class is a subclass of the class of approximately convex functions. It enjoys refined properties. We also introduce a class of sets whose associated distance functions are of that type. We discuss the properties of the metric projections on such sets under some assumptions on the geometry of the Banach spaces in which they are embedded....
Inese Bula (2005)
Banach Center Publications
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The paper introduces a notion of strictly convex metric space and strictly convex metric space with round balls. These objects generalize the well known concept of strictly convex Banach space. We prove some fixed point theorems in strictly convex metric spaces with round balls.
Chatterjee, Dipak (1980)
Publications de l'Institut Mathématique. Nouvelle Série
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R. Duda (1970)
Fundamenta Mathematicae
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Budzyńska, Monika (2003)
Abstract and Applied Analysis
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Dominique Azé, Jean-Paul Penot (1995)
Annales de la Faculté des sciences de Toulouse : Mathématiques
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S. Cobzaş (1999)
Acta Universitatis Carolinae. Mathematica et Physica
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