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We study the relationships between the rough sets and the topological space, define the interior operator and the closure operator generated by a subbase of a topological space, which are conjugated with a lower approximation and an upper approximation, a |
中文意思: 摘要本文研究粗糙集与拓扑空间的关系,统一地使用拓扑空间中的集合关于子基的内部和闭包来研究粗糙集理论和覆盖广义粗糙集理论中的下近似集和上近似集,以及由它们导出的关于子基的开集,导集,闭集,边界。 |
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