Relativization of Star-C-Hurewicz Property in Topological Spaces

In this paper, we introduced relatively star- C -Hurewicz property in topological spaces following the approach of Bonanzinga and Pansera (Acta Math Hungar 117(3):231–243, 2007) and Guido and Kočinac (Quest Answ Gen Topol 19:107–114, 2001). A subspace A of a topological space X is said to have relat...

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Veröffentlicht in:Bulletin of the Iranian Mathematical Society 2020-08, Vol.46 (4), p.1101-1115
Hauptverfasser: Bhardwaj, Manoj, Tyagi, B. K., Singh, Sumit
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Sprache:eng
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Zusammenfassung:In this paper, we introduced relatively star- C -Hurewicz property in topological spaces following the approach of Bonanzinga and Pansera (Acta Math Hungar 117(3):231–243, 2007) and Guido and Kočinac (Quest Answ Gen Topol 19:107–114, 2001). A subspace A of a topological space X is said to have relatively star- C -Hurewicz property in X (in short, RSCH ) or relatively star- C -Hurewicz subspace of X if for each sequence U n : n ∈ ω of open covers of X there is a sequence A n : n ∈ ω of countably compact subsets of X such that x ∈ A belongs to S t ( A n , U n ) for all but finitely many n . It is shown that relatively star- C -Hurewicz property is hereditary. In this manner, we obtained relationships of relatively star- C -Hurewicz property with other existing Hurewicz properties in the literature.
ISSN:1017-060X
1735-8515
DOI:10.1007/s41980-019-00315-2