【摘要】 对分明集 X,给出了半导集算子与导集算子的概念 ;然后在 IX上引入了 Fuzzy半导集算子与 Fuzzy导集算子的概念 ,研究了它们的性质 ,讨论了它们与拓扑间的关系 .更多还原

【Abstract】 In this paper, for set X, the authors, defin e the notions of the semi -derived set operator and derived set operator in 2x.Then they give the notions o f the fuzzy semi-defived set operator and fuzzy derived set operator in I x,some of their properties are researched and corresponding relations between them and topolgies are discussed.更多还原