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Publication:3485601
zbMath0705.54029MaRDI QIDQ3485601
Publication date: 1990
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
CHMAZFCselective ultrafilterultrafiltersprojective covernon-discrete, extremally disconnected, Hausdorff topological group
Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25) Extremally disconnected spaces, (F)-spaces, etc. (54G05) Topological and differentiable algebraic systems (22A99)
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Nonexistence of countable extremally disconnected groups with many open subgroups ⋮ Discrete Subsets in Topological Groups and Countable Extremally Disconnected Groups ⋮ A study of extremally disconnected topological spaces
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