Reflexive Banach spaces without equivalent norms which are uniformly convex or uniformly differentiable in every direction
D. Kutzarova, S. Troyanski (1982)
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D. Kutzarova, S. Troyanski (1982)
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Denka Kutzarova (1989)
Acta Universitatis Carolinae. Mathematica et Physica
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Manuel Cepedello-Boiso (1998)
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We present here a new method for approximating functions defined on superreflexive Banach spaces by differentiable functions with α-Hölder derivatives (for some 0 < α≤ 1). The smooth approximation is given by means of an explicit formula enjoying good properties from the minimization point of view. For instance, for any function f which is bounded below and uniformly continuous on bounded sets this formula gives a sequence of Δ-convex functions converging to f uniformly on bounded...
S. Rolewicz (1987)
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