• In this paper, interval structure of distributive BZ lattices and properties of rough approximation operators are discussed.

    讨论了分配bz区间结构及其粗糙近似算子性质

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  • In this paper, the approximation operators and the random sets, the best parts of the rough sets theory, are studied systematically.

    本文粗糙理论基本部分——近似算子随机进行了较系统的探讨。

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  • Based on the atoms and congruence relations of approximation algebra, it is proved that rough set algebra becomes pseudo-complemented ms algebra if proper complement operators are selected.

    借助近似代数原子关系证明了适当选取运算之后,代数构成伪MS代数。

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  • The upper rough equal, the lower rough equal based on the random sets are used to express upper approximation operators and the lower approximation operators based on the random sets.

    基于随机相等粗相等表示随机上近似算子、随机下近似算子。

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  • The properties of the homomorphic images of rough subrings and rough ideals are obtained by discussing the variation of approximation operators under homomorphic mapping in the ring.

    同态映射环中近似集合变化规律进行了讨论得到粗糙、粗糙理想同态象的若干性质

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  • The properties of the homomorphic images of rough subrings and rough ideals are obtained by discussing the variation of approximation operators under homomorphic mapping in the ring.

    同态映射环中近似集合变化规律进行了讨论得到粗糙、粗糙理想同态象的若干性质

    youdao

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