Results 31 to 40 of about 75,293 (284)

Ideal convergence and ideal Cauchy sequences in intuitionistic fuzzy metric spaces [PDF]

open access: yesMathematica Moravica, 2023
The present study introduces the concepts of ideal convergence (I-convergence), ideal Cauchy (I-Cauchy) sequences, I *-convergence, and I *-Cauchy sequences in intuitionistic fuzzy metric spaces.
Or Aykut, Karabacak Gökay
doaj  

Double sequences with ideal convergence in fuzzy metric spaces [PDF]

open access: yes, 2023
We show ideal convergence (I-convergence), ideal Cauchy (I-Cauchy) sequences, I* -convergence and I*-Cauchy sequences for double sequences in fuzzy metric spaces. We define the I-limit and I-cluster points of a double sequence in these spaces. Afterward,
Or, Aykut
core   +1 more source

On Intuitionistic Fuzzy Metric Space and Ideal Convergence of Triple Sequence Space [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2023
The purpose of this article is to introduce the triple sequences and its convergence over instuitionistic fuzzy metric space (\textbf{IFMS}). The article also discusses ideal convergence of triple sequences, the uniqueness of ideal limits, the ...
Shailendra Pandit, Ayaz Ahmad, Ayhan Esi
doaj   +1 more source

Ideal convergence of sequences in neutrosophic normed spaces

open access: yes, 2021
Statistical convergence of sequences has been studied in neutrosophic normed spaces (NNS) by Kirisci and Simsek [39]. Ideal convergence is more general than statistical convergence for sequences.
Kişi, Ömer
core   +1 more source

On Lacunary $\mathcal{I}_2^{\ast }$-Convergence and Lacunary $\mathcal{I}_2^{\ast }$-Cauchy Sequence

open access: yesCommunications in Advanced Mathematical Sciences, 2023
In the study conducted here, we have given some new concepts in summability. In this sense, firstly, we have given the concept of lacunary $\mathcal{I}_2^{\ast}$-convergence and we have investigated the relations between lacunary $\mathcal{I}_2 ...
Nimet Pancaroğlu Akın, Erdinç Dündar
doaj   +1 more source

Ideal convergence of bounded sequences

open access: yesJournal of Symbolic Logic, 2007
AbstractWe generalize the Bolzano-Weierstrass theorem (that every bounded sequence of reals admits a convergent subsequence) on ideal convergence. We show examples of ideals with and without the Bolzano-Weierstrass property, and give characterizations of BW property in terms of submeasures and extendability to a maximal P-ideal. We show applications to
Rafal Filipów   +3 more
openaire   +2 more sources

An alternative approach to ideal Wijsman convergence

open access: yesJournal of Classical Analysis, 2023
Summary: The concept of Wijsman convergence of a sequence of sets was defined using the pointwise convergence of the sequence of distance functions. Based on this idea, in this article, a new type of set convergence is obtained by using the concept of ideal \(\alpha\)-convergence for the sequence of distance functions.
Ölmez, Öznur   +2 more
openaire   +3 more sources

Ideal convergence and divergence of nets in $(\ell )$-groups

open access: yes, 2012
summary:In this paper we introduce the ${\mathcal I}$- and ${\mathcal I}^*$-convergence and divergence of nets in $(\ell )$-groups. We prove some theorems relating different types of convergence/divergence for nets in $(\ell )$-group setting, in relation
Boccuto, Antonio   +2 more
core   +2 more sources

$\mathcal{I}$-convergence in Fuzzy Cone Normed Spaces [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2021
The aim of this paper is to define and study the concept of $\mathcal{I}$-convergence in fuzzy cone normed space which is a generalization of R. Saadati and S. M. Vaezpour type fuzzy normal space.
Aysegul Caksu Guler
doaj   +1 more source

Ideal convergent subseries in Banach spaces [PDF]

open access: yesQuaestiones Mathematicae, 2018
Assume that $\mathcal{I}$ is an ideal on $\mathbb{N}$, and $\sum_n x_n$ is a divergent series in a Banach space $X$. We study the Baire category, and the measure of the set $A(\mathcal{I}):=\left\{t \in \{0,1\}^{\mathbb{N}} \colon \sum_n t(n)x_n \textrm{ is } \mathcal{I}\textrm{-convergent}\right\}$.
Balcerzak, Marek   +2 more
openaire   +3 more sources

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