Results 41 to 50 of about 94 (92)
Some applications of minimal open sets
We characterize minimal open sets in topological spaces. We show that any nonempty subset of a minimal open set is pre‐open. As an application of a theory of minimal open sets, we obtain a sufficient condition for a locally finite space to be a pre‐Hausdorff space.
Fumie Nakaoka, Nobuyuki Oda
wiley +1 more source
β-open and β-closed sets in ditopological texture spaces
The authors define ?-open and ?-closed sets in a ditopological texture space and go on to study ?-compactness and ?-cocompactness, ?-stability and ?-costability, and ?-dicompactness. 2010 Mathematics Subject Classifications. 54A05, 54C10. .
Şenol Dost +5 more
core +1 more source
κ-strong sequences and the existence of generalized independent families
In this paper we will show some relations between generalized versions of strong sequences introduced by Efimov in 1965 and independent families. We also show some inequalities between cardinal invariants associated with these both notions.
Jureczko Joanna
doaj +1 more source
In this paper, we continue studying the properties of weak soft axioms discussed and studied in [8]. We initiate and explore soft semi-R0 spaces at soft point in terms of soft semi-open sets and study its characterizations and properties.
Hussain Sabir
doaj +1 more source
On generalizations of regular‐Lindelöf spaces
We study nearly regular‐Lindelöf, almost regular‐Lindelöf and weakly regular‐Lindelöf spaces. Characterizations and some properties for these spaces are proposed. Relations among them are also studied.
Anwar Jabor Fawakhreh, Adem Kiliçman
wiley +1 more source
We will continue the study of p‐closed spaces. This class of spaces is strictly placed between the class of strongly compact spaces and the class of quasi‐H‐closed spaces. We will provide new characterizations of p‐closed spaces and investigate their relationships with some other classes of topological spaces.
Julian Dontchev +2 more
wiley +1 more source
This paper gives a further development of p‐regular completion theory, including a study of p‐regular Reed completions, the role of diagonal axioms, and the relationship between p‐regular and p‐topological completions.
Darrell C. Kent, Jennifer Wig
wiley +1 more source
p‐topological Cauchy completions
The duality between “regular” and “topological” as convergence space properties extends in a natural way to the more general properties “p‐regular” and “p‐topological.” Since earlier papers have investigated regular, p‐regular, and topological Cauchy completions, we hereby initiate a study of p‐topological Cauchy completions.
J. Wig, D. C. Kent
wiley +1 more source
Rough quotient in topological rough sets
In this paper, we introduce a rough quotient. Also, we present conditions ensuring that G/H are partitions of G. The rough projection map is also presented. We discuss first, second and third rough isomorphism theorems and other related results.
Alharbi Nof +3 more
doaj +1 more source
Connectedness via Primal Topological Spaces With Applications of Primals to Rough Operators
In topology, connectedness provides insight into how a space is “in one piece,” rather than being split into disjoint parts. Its significance can be seen through its various applications, such as understanding the nature of solutions to differential equations, the intermediate value theorem, and attaining a maximum and minimum for continuous real ...
Murad Özkoç +4 more
wiley +1 more source

