1) closed unbounded set
无界闭集
1.
In this paper,we introduce concepts of closed unbounded sets and stationary sets,and investigate their poperties.
本文引进了~(无界闭集(club集)和稳定集的概念,并研究了它们的基本性质,最后提出了几个开问题。
2) bounded closed set
有界闭集
3) bounded closed convex set
有界闭凸集
1.
The deflation image of K set function ( K<1 ) of the mapping in itself of the bounded closed convex set, must have the invariable points.
有界闭凸集到自身的函数K<1集压缩映象一定有不动点。
4) half closed unbounded
半闭无界域
1.
By means of the global existence theorems of the initial problems of ODEs in the open unbounded region,the three global existence theorems of the initial problems of ODEs in half closed unbounded region G ′ are given.
以无界开区域G内ODE的初值问题解的非局部存在性定理为基础 ,在半闭无界域G′上证明了ODE的初值问题解的三个非局部存在性定理 。
5) closed surface without boundary
无界闭曲面
6) unbounded closed operator
无界闭算子
1.
In chapter 5,we discuss the pseudo-inverse of linear unbounded closed operator ,the range of which is closed,and give the use of it.
第五章,推导了值域是闭的时线性无界闭算子的伪逆算子的定义,并给出了其在框架理论中的应用。
补充资料:闭集
闭集
dosed set
闭集ld吹d肥t买姗.叮l说M“馏ec佃],拓扑空间中的 含有它的所有极限点〔见集合的极限点(】imjtpolnt of a set)、的集合.于是,闭集的补集的所有点都是内点,所以闭集可定义为开集的补集.闭集的概念是把拓扑空间定义为具有满足下列公理的特定集合系统〔所谓闭集)的作空集X的基础:X本身和空集是闭集;任意个闭集的交是闭集;有限个闭集的并是闭集.
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参考词条