Results 101 to 110 of about 464 (130)

The Menger and Rothberger properties on cp (x,2)

, 2015
openaire   +1 more source

Some of the next articles are maybe not open access.

Related searches:

Weaker forms of the Menger property in bitopological spaces

Quaestiones Mathematicae, 2018
In this paper we continue previous investigations on the weaker forms of the Menger property in bitopological spaces. We introduce weakly Menger property and study some topological properties of almost and weakly Menger bitopological spaces. We also consider the almost Hurewicz spaces in a bitopological context. Mathematics Subject Classication (2010):
A. Emre Eysen, Selma Özçağ
exaly   +4 more sources

Relative versions of star-Menger property

Mathematica Slovaca
Abstract Motivated by Bonanzinga and Maesano (2022), we introduce and study the new relative versions of star-Menger property related to some properties studied lately by Kočinac et al. (2022) and Bonanzinga et al. (2023). In this paper, we provide some examples to understand their relationships with other relativizations of star ...
Mittal, Sumit, Kumar, Gaurav, Tyagi, Brij K.   +2 more
exaly   +3 more sources

Menger Fractal Acoustic Metamaterials with Double-Negative Property

2019 Thirteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials), 2019
We construct new three-dimensional fractal acoustic metamaterials by adopting Menger structure, which have the double-negative property with a single structure. By adopting the finite element method and S-parameter retrieval method, the effective parameters of the acoustic metamaterials with different fractal orders are researched separately.
Heng Jiang, Yuren Wang
exaly   +2 more sources

Consonant spaces of countable type and the Menger property

Topology and Its Applications
If a topological space \(X\) is consonant and either of weak closed countable type or regular and of countable type then \(X\) has property P which in turn is equivalent to the Menger property at infinity provided that \(X\) is completely regular. The product of countably many spaces having property P also has property P.
Francis Jordan
exaly   +3 more sources

Set-Menger and related properties

Topology and its Applications, 2020
Let \(\mathcal P\) be a collection of subsets of a space \(X\) and say that \(X\) is \(\mathcal P\)-Menger (resp. weakly \(\mathcal P\)-Menger, almost \(\mathcal P\)-Menger) if for each \(A\in\mathcal P\) and each sequence \(\langle\mathcal U_n\rangle\) of families of open subsets such that \(\overline{A}\subset\cup\mathcal U_n\) for each \(n\) there ...
Kočinac, Ljubiša D. R., Konca, Şükran   +1 more
openaire   +1 more source

The Menger property and l-equivalence

Topology and its Applications, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +1 more source

Almost Menger Property in Bitopological Spaces

Ukrainian Mathematical Journal, 2016
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Özçağ, S., Eysen, A. E.
openaire   +2 more sources

The Menger property for infinite ordered sets

Order, 1988
For the definitions of cutset, disjoint family and Menger family as well as a statement of Menger's theorem see the review above (Zbl 0678.06001). In this paper it is shown that if an ordered set P contains at most k pairwise disjoint maximal chains, where k is finite, then every finite family of maximal chains in P has a cutset of size at most k. This
Aharoni, R., Brochet, J.-M., Pouzet, M.
openaire   +2 more sources

Remarks on set-Menger and related properties

Topology and its Applications, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +1 more source