On quasi compact spaces and some functions

On quasi compact spaces and some functions

In this paper, we introduce and investigate a new class of sets called A -open sets which are weaker than co-zero sets. Moreover, we obtain characterizations and preserving theorems of quasi compact spaces.

Bibliographic Details
Main Authors: Ahmad Al-Omari, Takashi Noiri
Format: Article
Language:English
Published: Sociedade Brasileira de Matemática 2018-10-01
Series:Boletim da Sociedade Paranaense de Matemática
Subjects:
co-zero set
zero set
quazi compact space
Z-closed space
Online Access:http://periodicos.uem.br/ojs/index.php/BSocParanMat/article/view/31125
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spelling doaj-df6a5c77d4c944b3b5fc6fe721ec2c122020-11-24T23:02:12ZengSociedade Brasileira de MatemáticaBoletim da Sociedade Paranaense de Matemática0037-87122175-11882018-10-0136412113010.5269/bspm.v36i4.3112515690On quasi compact spaces and some functionsAhmad Al-Omari0Takashi Noiri1Al al-Bayt University2949-1 Shiokita-cho, Hinagu, Yatsushiro-shi, Kumamoto-kenIn this paper, we introduce and investigate a new class of sets called A -open sets which are weaker than co-zero sets. Moreover, we obtain characterizations and preserving theorems of quasi compact spaces.http://periodicos.uem.br/ojs/index.php/BSocParanMat/article/view/31125co-zero setzero setquazi compact spaceZ-closed space
collection DOAJ
language English
format Article
sources DOAJ
author Ahmad Al-Omari
Takashi Noiri
spellingShingle Ahmad Al-Omari
Takashi Noiri
On quasi compact spaces and some functions
Boletim da Sociedade Paranaense de Matemática
co-zero set
zero set
quazi compact space
Z-closed space
author_facet Ahmad Al-Omari
Takashi Noiri
author_sort Ahmad Al-Omari
title On quasi compact spaces and some functions
title_short On quasi compact spaces and some functions
title_full On quasi compact spaces and some functions
title_fullStr On quasi compact spaces and some functions
title_full_unstemmed On quasi compact spaces and some functions
title_sort on quasi compact spaces and some functions
publisher Sociedade Brasileira de Matemática
series Boletim da Sociedade Paranaense de Matemática
issn 0037-8712
2175-1188
publishDate 2018-10-01
description In this paper, we introduce and investigate a new class of sets called A -open sets which are weaker than co-zero sets. Moreover, we obtain characterizations and preserving theorems of quasi compact spaces.
topic co-zero set
zero set
quazi compact space
Z-closed space
url http://periodicos.uem.br/ojs/index.php/BSocParanMat/article/view/31125
work_keys_str_mv AT ahmadalomari onquasicompactspacesandsomefunctions
AT takashinoiri onquasicompactspacesandsomefunctions
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