摘要
在可拓集合概念基础上,提出了向量可拓集和区间可拓集概念,研究了物元可拓集合的交、并、求补等集合运算及其性质.
In this paper, some extension set operation of matter-element and its property are discussed. Some new extension set concepts, such as vector extension set and the interval extension set ,are explored here.
出处
《数学的实践与认识》
CSCD
北大核心
2006年第2期228-233,共6页
Mathematics in Practice and Theory
关键词
可拓集
关联函数
向量可拓集
区间可拓集
extension set
correlation function
vector extension set
interval extension set