摘要
通过半连续函数及函数项级数等有关性质的证明,介绍了有限覆盖定理的使用方法,说明了它在证明问题中的作用.
By proving properties of demicontinuous function and series with function terms, use methods of finite coveting theorem and its application in proving problems are introduced.
出处
《洛阳大学学报》
1998年第2期74-76,共3页
Journal of Luoyang University
关键词
有限覆盖定理
函数项级数
半连续函数
应用
finite covering theorem
demicontinuation
series with function terms