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Centered-Lindelöfness versus star-Lindelöfness. (English) Zbl 1037.54502
Summary: We discuss various generalizations of the class of Lindelöf spaces and study the difference between two of these generalizations, the classes of star-Lindelöf and centered-Lindelöf spaces.

MSC:
54D20 Noncompact covering properties (paracompact, Lindelöf, etc.)
54G20 Counterexamples in general topology
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