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L-拓扑空间的单点超F紧化
One-point Ultra-F Compactification of L-topological Spaces
【摘要】 给出L-拓扑空间的单点超F紧化的一种具体作法,以及局部超F紧性的定义,并证明了:(1)局部超F紧性是L-好推广;(2)一个L-拓扑空间是局部超F紧T2空间当且仅当其单点超F紧化空间是超F紧T2空间;(3)单点超F紧化在同胚意义下是唯一的。
【Abstract】 A concrete approach of one-point ultra-F compactification of L-topological spaces is given,and the locally ultra-F compactness is defined. Then three main conclusions are obtained:(1) Locally ultra-F compactness is an L-good extension;(2) An L-topological space is locally ultra-F compact and T2 if and only if its one-point compactificated space is ultra-F compact and T2;(3) The one-point compactificted space of an L-topological space is unique in the sense of homeomorphism.
【关键词】 超F紧;
超F紧化;
单点超F紧化;
局部超F紧;
【Key words】 Ultra-F Compact; Ultra-F compactification; One-point Ultra-F Compactification; Locally Ultra-F Compact;
【Key words】 Ultra-F Compact; Ultra-F compactification; One-point Ultra-F Compactification; Locally Ultra-F Compact;
【基金】 渭南师范学院科研基金资助项目(07YKZ067)
- 【文献出处】 模糊系统与数学 ,Fuzzy Systems and Mathematics , 编辑部邮箱 ,2007年03期
- 【分类号】O189.11
- 【下载频次】63