1
Department of Mathematics, Faculty of Sciences, University of Al-Qadisiyah, Iraq.
2
Department of Mathematics, Faculty of Sciences, University of Al-Qadisiyah, Iraq
Abstract
The present work introduces three new spaces: a semi-strong metacompact J-space, a semi-weak metacompact J-space, and a weak metacompact J-space. These spaces are variant of metacompact J-spaces and strong metacompact J-spaces. These spaces represent a generalization of the concepts of metacompact spaces and 𝐽-spaces introduced by E. Michael. This paper presents a generalization of J-spaces by weakening certain topological conditions to include a broader class of topological spaces. We investigate the fundamental properties of this new class and establish relationships with existing topological spaces. Several results and properties are obtained that contribute to a better understanding of J-spaces and their generalizations. In the second section of this paper, we review some definitions and theories essential to our work. Section three introduces the basic definitions of spaces semi-strong metacompact J-spaces, semi-weak metacompact J-spaces and weak metacompact J-spaces, and studies their fundamental properties, examples to illustrate some of these properties, and examines of the relationship between these spaces and metacompact J-spaces and strong metacompact J-spaces. Finally, the fourth section examines the relationship between (semi-strong metacompact J-spaces, semi-weak metacompact J-spaces and weak metacompact J-spaces) and (semi-strong J-spaces, semi-weak J-spaces and weak J-spaces), respectively, where the condition of countably compact is necessary for the equivalence of these spaces.
Saeed,H Shubbar and Hussain,R Aziz. (2026). On Semi-Strong Metacompact J-spaces, Semi-Weak Metacompact J-spaces and Weak Metacompact J-spaces. (e192085). Al-Qadisiyah Journal of Pure Science, 31(Special), e192085 doi: 10.29350/qjps.2026.170335.1051
MLA
Saeed,H Shubbar, and Hussain,R Aziz. "On Semi-Strong Metacompact J-spaces, Semi-Weak Metacompact J-spaces and Weak Metacompact J-spaces" .e192085 , Al-Qadisiyah Journal of Pure Science, 31, Special, 2026, e192085. doi: 10.29350/qjps.2026.170335.1051
HARVARD
Saeed H Shubbar, Hussain R Aziz. (2026). 'On Semi-Strong Metacompact J-spaces, Semi-Weak Metacompact J-spaces and Weak Metacompact J-spaces', Al-Qadisiyah Journal of Pure Science, 31(Special), e192085. doi: 10.29350/qjps.2026.170335.1051
CHICAGO
H Shubbar Saeed and R Aziz Hussain, "On Semi-Strong Metacompact J-spaces, Semi-Weak Metacompact J-spaces and Weak Metacompact J-spaces," Al-Qadisiyah Journal of Pure Science, 31 Special (2026): e192085, doi: 10.29350/qjps.2026.170335.1051
VANCOUVER
Saeed H Shubbar, Hussain R Aziz. On Semi-Strong Metacompact J-spaces, Semi-Weak Metacompact J-spaces and Weak Metacompact J-spaces. QJPS. 2026;31(Special):e192085. doi: 10.29350/qjps.2026.170335.1051