First countable and countable spaces all compactifications of which contain βN
نویسندگان
چکیده
منابع مشابه
On nowhere first-countable compact spaces with countable π-weight
The minimum weight of a nowhere first-countable compact space of countable π-weight is shown to be κB, the least cardinal κ for which the real line R can be covered by κ many nowhere dense sets.
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ژورنال
عنوان ژورنال: Fundamenta Mathematicae
سال: 1979
ISSN: 0016-2736,1730-6329
DOI: 10.4064/fm-102-3-229-234