Results 11 to 20 of about 79 (77)

On Cosymplectic Dynamics I

open access: yesComplex Manifolds, 2022
This paper is an introduction to cosymplectic topology. Through it, we study the structures of the group of cosymplectic diffeomorphisms and the group of almost cosymplectic diffeomorphisms of a cosymplectic manifold (M, ω, η) : (i)− we define and ...
Tchuiaga Stephane   +2 more
doaj   +1 more source

Dual uniformities in function spaces over uniform continuity

open access: yesOpen Mathematics, 2022
The notion of dual uniformity is introduced on UC(Y,Z)UC(Y,Z), the uniform space of uniformly continuous mappings between YY and ZZ, where (Y,V)(Y,{\mathcal{V}}) and (Z,U)(Z,{\mathcal{U}}) are two uniform spaces.
Gupta Ankit   +3 more
doaj   +1 more source

The B-topology on S∗-doubly quasicontinuous posets

open access: yesOpen Mathematics, 2021
The notions of os{o}_{s}-convergence and S∗{S}^{\ast }-doubly quasicontinuous posets are introduced, which can be viewed as common generalizations of Birkhoff’s order-convergence and S∗{S}^{\ast }-doubly continuous posets, respectively. We first consider
Sun Tao, Li Qingguo, Zou Zhiwei
doaj   +1 more source

A study of uniformities on the space of uniformly continuous mappings

open access: yesOpen Mathematics, 2020
New families of uniformities are introduced on UC(X,Y)UC(X,Y), the class of uniformly continuous mappings between X and Y, where (X,U)(X,{\mathcal{U}}) and (Y,V)(Y,{\mathcal{V}}) are uniform spaces.
Gupta Ankit   +3 more
doaj   +1 more source

On the topological covering properties by means of generalized open sets

open access: yesTopological Algebra and its Applications, 2023
By utilizing gg-open sets, we developed the ideas of GO-Mengerness and GO-Lindelöfness in this article. The structure of GO-compactness is compared to these topological covering features.
Sarkar Susmita   +2 more
doaj   +1 more source

More On Weak Soft Axioms

open access: yesMoroccan Journal of Pure and Applied Analysis, 2020
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

A metrizable semitopological semilattice with non-closed partial order

open access: yesTopological Algebra and its Applications, 2020
We construct a metrizable semitopological semilattice X whose partial order P = {(x, y) ∈ X × X : xy = x} is a non-closed dense subset of X × X. As a by-product we find necessary and sufficient conditions for the existence of a (metrizable) Hausdorff ...
Banakh Taras   +2 more
doaj   +1 more source

Topological Scott Convergence Theorem [PDF]

open access: yesLogical Methods in Computer Science, 2019
Recently, J. D. Lawson encouraged the domain theory community to consider the scientific program of developing domain theory in the wider context of $T_0$ spaces instead of restricting to posets.
Hadrian Andradi, Weng Kin Ho
doaj   +1 more source

Fuzzy properties in fuzzy convergence spaces

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 29, Issue 12, Page 737-748, 2002., 2002
Based on the concept of limit of prefilters and residual implication, several notions in fuzzy topology are fuzzyfied in the sense that, for each notion, the degree to which it is fulfilled is considered. We establish therefore theories of degrees of compactness and relative compactness, of closedness, and of continuity.
Gunther Jäger
wiley   +1 more source

γ‐sets and γ‐continuous functions

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 31, Issue 3, Page 177-181, 2002., 2002
We introduce a new class of sets, called γ‐sets, and the notion of γ‐continuity and investigate some properties and characterizations. In particular, γ‐sets and γ‐continuity are used to extend known results for semi‐open sets and semi‐continuity.
Won Keun Min
wiley   +1 more source

Home - About - Disclaimer - Privacy