4 papers
math.GN2022
-compact extensions in the absence of the Axiom of Choice
AliReza Olfati, Eliza Wajch
The main aim of this work is to show, in the absence of the Axiom of Choice, fundamental results on -compact extensions of -completely regular spaces, in pa…
math.GN2021
-spaces in the absence of the Axiom of Choice
Kyriakos Keremedis, AliReza Olfati, Eliza Wajch
A -space is a topological space whose every -set is open. In this article, basic properties of -spaces are investigated in the absence of the Axiom of Choice. New weaker…
math.RA2019
Self-injectivity of $\EuScript{M}(X,\mathcal{A})$ versus $\EuScript{M}(X,\mathcal{A})$ modulo its socle
A. R. Olfati
Let be a field of subsets of a set and $\EuScript{M}(X,\mathcal{A})$ be the ring of all real valued -measurable functions on . It is shown that $\…
math.GN2015
Functionally countable subalgebras and some properties of Banaschewski compactification
Alireza Olfati
Let be a zero-dimensional space and be the set of all continuous real valued functions on with countable image. In this article we denote by (resp., $C_…