Generalized derivatives of distance functions and the existence of nearest points.
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- 作者：He,Jinsu
- 所属单位：数理与信息工程学院
- 文献类型：期刊
- 发表时间：2009-01-01
- 发表刊物：Non-Linear Analysis
- 卷号：Vol.70
- 期号：No.7
- 页面范围：2575-2581
- Issn号：0362-546X
- 是否译文：否
- 关键字：BANACH;spaces;GEOMETRY;CONVEX;functions;EQUIVALENCE;classes;(Set;theory);NONLINEAR;models;(Statistics)
- 摘要：The relationships between the generalized directional derivative of the distance function and the existence of nearest points as well as some geometry properties in Banach spaces are studied. It is proved in the present paper that the condition that for e
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