| M.E. Abd El-Monsef,A.M. Kozae,A.A.Abo Khadra.Co-RS-紧拓扑(英文)[J].数学研究及应用,1993,13(1):21~25 |
| Co-RS-紧拓扑(英文) |
| Co-RS-cornpact Topologies |
| 投稿时间：1991-08-19 |
| DOI：10.3770/j.issn:1000-341X.1993.01.003 |
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| 中文摘要: |
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| 英文摘要: |
| A topoogy R(τ) is constructed from a given topology τ on a set X. R(τ) is coarser than τ, and the following are some results based on this topology:1. Continuity and RS-continuity are equivalent if the codomain is retopologized by R(τ).2. Each topological space has a coarser extremely disconnected topology.3. The class of semi-open sets with respect to R(τ) is a topology.4. T2 and semi-T2 properties are equivalent on a space whose topology is R(τ).5. Minimal R0-spaces are RS-compact.6. Maximal a-compact spaces are RS-compact. |
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