On star-K-Menger spaces

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Hacettepe Journal of Mathematics and Statistics
Volume:43 Issue:5
On star-K-Menger spaces

On star-K-Menger spaces

Authors : Yankui SONG

Pages : 769-776

View : 22 | Download : 8

Publication Date : 2014-10-01

Article Type : Research Paper

Abstract :A space X is star-K-Menger if for each sequence insert ignore into journalissuearticles values(Un : n ∈ N); of open covers of X there exists a sequence insert ignore into journalissuearticles values(Kn : n ∈ N); of compact subsets of X such that {Stinsert ignore into journalissuearticles values(Kn, Un); : n ∈ N} is an open cover of X. In this paper, we investigate the relationship between star-K-Menger spaces and related spaces, and study topological properties of star-K-Menger spaces.
Keywords : Selection principles, star Menger, strongly star Menger, star K Menger, starcompact, star Lindelöf, strongly starcompact, strongly star Lindelöf, star L Lindelöf

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