摘要
本文利用＊隔离定理，证明了Ｍａｚｕｒ定理和凸集的最佳逼近元存在性定理的对偶定理．
In this paper,the dual theorems of Mazur theorem and the existence theorem of best approximation element are proved by applying the separation theorem.
出处
《数学理论与应用》
1999年第2期67-69,共3页
Mathematical Theory and Applications
关键词
隔离
凸集
对偶空间
强拓扑
弱拓扑
separation, convex set, dual space, strong topology, weak topology, weak topology.
