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A common extension of Lindelöf, H-closed and ccc
Topology and its Applications ( IF 0.6 ) Pub Date : 2021-07-19 , DOI: 10.1016/j.topol.2021.107785 Angelo Bella 1
中文翻译:
Lindelöf、H-closed 和 ccc 的共同扩展
更新日期:2021-07-20
Topology and its Applications ( IF 0.6 ) Pub Date : 2021-07-19 , DOI: 10.1016/j.topol.2021.107785 Angelo Bella 1
Affiliation
The inequality has been proved to be true for Lindelöf spaces (Arhangel'skiĭ, 1969), H-closed spaces (Dow-Porter, 1982) and ccc spaces (Hajnal-Juhász 1967), by quite different arguments. We present a common extension of all these properties which allows us to give a unified proof of these three theorems.
中文翻译:
Lindelöf、H-closed 和 ccc 的共同扩展
不平等 已经通过完全不同的论证证明了 Lindelöf 空间(Arhangel'skiĭ,1969)、H封闭空间(Dow-Porter,1982)和 ccc 空间(Hajnal-Juhász 1967)是正确的。我们提出了所有这些性质的共同扩展,这使我们能够对这三个定理给出统一的证明。