Results 61 to 70 of about 173 (123)

Bitopological and topological ordered k-spaces

Topology and its Applications, 2005
La notion de \(k\)-espace, pour les espaces topologiques, est bien connue et a de nombreuses utilisations. Les auteurs développent une notion analogue dans la catégorie des espaces bitopologiques, qu'ils nomment \(k\)-biespace. Ils considèrent aussi les espaces munis à la fois d'une topologie et d'une relation d'ordre, et introduisent la classe des \(k\
Kopperman, Ralph, Lawson, J.D.
openaire   +2 more sources

Rough sets models inspired by supra-topology structures. [PDF]

Artif Intell Rev, 2023
Al-Shami TM, Alshammari I.
europepmc   +1 more source

On completeness of quasi-pseudometric spaces

International Journal of Mathematics and Mathematical Sciences, 2005
We discuss completeness in terms of a notion of absolute closure. This will be done in the context of separated quasi-pseudometric spaces and bitopological spaces.
Seithuti P. Moshokoa
doaj   +1 more source

On Strong $(i,j)$-Semi$^{*}$-$\Gamma $-Open Sets in Ideal Bitopological Space

Journal of New Theory
In this study, we introduce the concepts of $(i,j)$-semi$^{*}$-$\Gamma $-open sets within the context of ideal bitopological spaces. This concept is demonstrated to be weaker than the established the notion of $(i,j)$-semi-$\Gamma $-open sets ...
Sibel Demiralp, Ibtissam Bukhatwa
doaj   +1 more source

IJ--Perfect Functions Between Bitopological Spaces

Ibn Al-Haitham Journal for Pure and Applied Sciences, 2017
In this paper we introduce a lot of concepts in bitopological spaces which are ij-ω-converges to a subset, ij-ω-directed toward a set, ij-w-closed functions, ij-w-rigid set, ij-w-continuous functions and the main concept in this paper is ij-w-perfect ...
Y. Y. Yousif, N. S. Jassim
doaj  

On weakly b-continuous functions in bitopological spaces - doi: 10.4025/actascitechnol.v35i3.15612

Acta Scientiarum: Technology, 2013
In this article we introduce the notion of weakly b–continuous functions in bitopological spaces as a generalization of b–continuous functions. We prove several properties of these functions.
Binod Chandra Tripathy, Diganta Jyoti Sarma   +1 more
doaj   +1 more source

L-pre- and L-semi-P- compact Spaces

مجلة بغداد للعلوم, 2011
The purpose of this paper is to study a new types of compactness in the dual bitopological spaces. We shall introduce the concepts of L-pre- compactness and L-semi-P- compactness .
Baghdad Science Journal
doaj   +1 more source

Some Types of Compactness in Bitopological Spaces

Ibn Al-Haitham Journal for Pure and Applied Sciences, 2017
  In this paper, we give the concept of N-open set in bitopological spaces, where N is the first letter of the name of one of the authors, then we used this concept to define a new kind of compactness, namely N-compactness and we define the N-continuous
N .A. Jabbar, A. I. Nasir
doaj  

Soft Bitopological Spaces

International Journal of Computer Applications, 2014
In this paper, introduce and study the concept of soft bitopological spaces which are defined over an initial universe with a fixed set of parameters. Also introduce and investigate some new separation axioms called pairwise soft T0, pairwise soft T1 and pairwise soft T2 spaces and study some of their basic properties in soft bitopological spaces.
openaire   +1 more source

On pairwise super continuous mappings in bitopological spaces

International Journal of Mathematics and Mathematical Sciences, 1991
The aim of this paper is to define and study super-continuous mappings and some other forms of continuity such as strong continuity, perfect continuity and complete continuity in bitopological spaces and investigate the relations between these kinds of ...
F. H. Khedr, A. M. Al-Shibani
doaj   +1 more source