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极不连通空间的新特征
引用本文:马保国.极不连通空间的新特征[J].延安大学学报(自然科学版),1997,16(2):14-17.
作者姓名:马保国
作者单位:延安大学数学系
摘    要:本文从研究半拓扑子集出发,给出了极不连通空间的若干新特征。我们还研究了半连续映射、几乎开映射与不定映射间的关系

关 键 词:极不连通空间  半预开集  预开集  δ-开(闭)集

A New Characterization of Extremally Disconnected Space
Ma Baoguo.A New Characterization of Extremally Disconnected Space[J].Journal of Yan'an University(Natural Science Edition),1997,16(2):14-17.
Authors:Ma Baoguo
Institution:Department of Mathematics
Abstract:This paper starts from semi-topological subsets and proves that extremally disconnected space is newly characterized by some equivalent conditions.And the relations among semi-continuous mapping,almost open mapping and irresolute mapping are also studied.
Keywords:
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