## Abstract Let __X__(μ) be a Banach function space. In this paper we introduce two new geometric notions, __q__‐convexity and weak __q__‐convexity associated to a subset __S__ of the unit ball of the dual of __X__(μ), 1 ≤ __q__ < ∞. We prove that in the general case both notions are not equivalent
Approximation of Convex Functions on the Dual of Banach Spaces
✍ Scribed by Lixin Cheng; Yingbin Ruan; Yanmei Teng
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 134 KB
- Volume
- 116
- Category
- Article
- ISSN
- 0021-9045
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✦ Synopsis
This paper shows that every w*-lower semicontinuous Lipschitzian convex function on the dual of a locally uniformly convexifiable Banach space, in particular, the dual of a separable Banach space, can be uniformly approximated by a generically Fréchet differentiable w*-lower semicontinuous monotone-nondecreasing Lipschitzian convex function sequence © 2002 Elsevier Science (USA)
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