Notes on Pointfree Disconnectivity with a Ring-theoretic Slant

被引:24
|
作者
Dube, Themba [1 ]
机构
[1] Univ S Africa, Dept Math Sci, ZA-0003 Unisa, South Africa
关键词
Frame; F-frame; Basically disconnected; Extremally disconnected; Ring of continuous functions on a frame; Ring-ideal; Large compactification; F-RINGS;
D O I
10.1007/s10485-008-9162-3
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We give characterizations of extremally disconnected frames, basically disconnected frames and F-frames L in terms of ring-theoretic properties of the ring RL of continuous real-valued functions on L. Emanating from these are new (and purely ring-theoretic) proofs that a frame is extremally disconnected, basically disconnected or an F-frame iff the same holds for its Cech-Stone compactification.
引用
收藏
页码:55 / 72
页数:18
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