Results 21 to 30 of about 529 (158)

A Hofmann-Mislove theorem for Bitopological Spaces

open access: yesElectronic Notes in Theoretical Computer Science, 2007
A `frame' is a complete lattice in which finite meets distribute over arbitrary joins. A frame homomorphism preserves finite meets and arbitrary joins leading to the category Frm. There is a dual adjunction between Top and Frm. With the duality between topological spaces and frames the authors have presented a Stone duality for bitopological spaces. In
Achim Jung
exaly   +3 more sources

On pairwise S-closed bitopological spaces [PDF]

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1985
The concept of pairwise S-closedness in bitopological spaces has been introduced and some properties of such spaces have been studied in this paper.
M. N. Mukherjee
doaj   +2 more sources

Selection principles and covering properties in bitopological spaces [PDF]

open access: yesApplied General Topology, 2020
Our main focus in this paper is to introduce and study various selection principles in bitopological spaces. In particular, Menger type, and Hurewicz type covering properties like: Almost p-Menger, star p-Menger, strongly star p-Menger, weakly p-Hurewicz,
Moiz ud Din Khan, Amani Sabah
doaj   +2 more sources

Bitopological and topological ordered k-spaces

open access: yesTopology 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   +4 more sources

Some Types of Lindelof in Bitopological Spaces [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2012
In this paper, we define another types of Lindelof on bitopological space, namely N-Lindelof , S-Lindelof and pair-wise Lindelof spaces, and we introduce some properties about these types.
Fawzi Noori Nassar
doaj   +2 more sources

On fuzzy b-locally open sets in bitopological spaces [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2015
In this article we introduce the notion of fuzzy b-locally open (bLO) sets, fuzzy bLO* sets, fuzzy bLO** sets in fuzzy bitopological spaces and obtain several characterizations and some properties of these sets.
Binod Chandra Tripathy, Shyamal Debnath
doaj   +1 more source

On Cℵ-fibrations in bitopological semigroups. [PDF]

open access: yesScientificWorldJournal, 2014
We extend the path lifting property in homotopy theory for topological spaces to bitopological semigroups and we show and prove its role in the Cℵ‐fibration property. We give and prove the relationship between the Cℵ‐fibration property and an approximate fibration property. Furthermore, we study the pullback maps for Cℵ‐fibrations.
Dawood S, Kılıçman A.
europepmc   +2 more sources

Pairwise Pythagorean Neutrosophic P-spaces (with dependent neutrosophic components between T and F) [PDF]

open access: yesNeutrosophic Sets and Systems, 2021
In this paper, we study the pairwise Pythagorean Neutrosophic (for shortly,Pairwise PN) bitopological spaces (with T and F are dependent neutrosophic components).
R.Jansi, K.Mohana
doaj   +1 more source

Pairwise Neutrosophic b-Continuous Function in Neutrosophic Bitopological Spaces [PDF]

open access: yesNeutrosophic Sets and Systems, 2021
The main focus of this article is to procurethe notions of pairwise neutrosophic continuous and pairwise neutrosophic b-continuous mappings in neutrosophic bitopological spaces.
Binod Chandra Tripathy, Suman Das
doaj   +1 more source

On Pre-connected sets in Bitopological Spaces

open access: yesمجلة علوم ذي قار, 2019
n this paper,we give and study a generalization for the concept "pre-connected set" in bitopological spaces , through as well as we give several various results related to this generalization .
Alaa Erees
doaj   +8 more sources

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