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Relativization of Star-C-Hurewicz Property in Topological Spaces.

Authors :
Bhardwaj, Manoj
Tyagi, B. K.
Singh, Sumit
Source :
Bulletin of the Iranian Mathematical Society. Aug2020, Vol. 46 Issue 4, p1101-1115. 15p.
Publication Year :
2020

Abstract

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. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
10186301
Volume :
46
Issue :
4
Database :
Academic Search Index
Journal :
Bulletin of the Iranian Mathematical Society
Publication Type :
Academic Journal
Accession number :
144688450
Full Text :
https://doi.org/10.1007/s41980-019-00315-2