摘要
给出基于一般关系下的粗映射的定义及其性质,并讨论了一般二元关系与粗映射近似算子的特征联系。
The concept of rough mapping and its properties are given under the general relations, and the characteristic relations between General binary relations and the approximation operators of rough mapping are discussed in this paper.
出处
《江西科学》
2009年第1期28-30,35,共4页
Jiangxi Science
关键词
一般关系
粗映射
粗映射性质
特征联系
General relations, Rough mapping, Rough mapping properties, Characteristic relations