【摘要】 利用模糊正规子群诱导的模糊关系,生成一个群上的模糊近似空间。在模糊粗糙集的框架下,研究一个模糊子群的模糊正规子群的上下近似算子的结构性质。更多还原

【Abstract】 A fuzzy approximation space was induced by a fuzzy normal subgroup of a group.Based on the framework of fuzzy rough set introduced by Dubois and Prade,the concept of fuzzy rough normal subgroup of a fuzzy subgroup was introduced and some properties of the upper and lower approximations of fuzzy rough normal subgroups were discussed.更多还原