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Remarks on absolutely star-Lindelof spaces
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Abstract
Vaughan proved that if X is countably compact, thenthe Alexandroff duplicate A(X) is acc.In this note, we give an example to show that the result can notbe generalized to star-Lindel{"o}f spaces. Moreover, we give apositive result.
참고문헌 (6)
- M. Bonanzinga, "paper Star-Lindel{\"o}f and absolutely star-Lindel{\"o}f spaces", 16, pp.79~104 (1998)
- "Dai \paper A class of topological spaces containing Lindel{\"
- "A survey on star-covering properties", (330), pp.330~ (1998)
- "paper How weak is weak extent?", pp.229~232 (2002)
- "Mr{\'o}wka \paper On completely regular spaces \jour Fund"
- "paper Absolute countable compactness and property $(a)", pp.18~24 (1996)
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