Results 41 to 50 of about 1,416,598 (308)

Double lacunary sequence spaces of double interval numbers [PDF]

open access: yesProyecciones (Antofagasta), 2012
In this paper we introduce the concepts of double lacunary strongly convergence and double lacunary statistical convergence of double interval numbers. We prove some inclusion relations and study some of their properties.
openaire   +1 more source

Discovery of a Double Blue Straggler Sequence in M15: New Insight into the Core-collapse Process [PDF]

open access: yesAstrophysical Journal, 2019
In this paper we report the discovery of a double blue straggler star (BSS) sequence in the core of the core-collapsed cluster M15 (NGC 7078). We performed a detailed photometric analysis of the extremely dense core of the cluster using a set of images ...
G. Beccari   +10 more
semanticscholar   +1 more source

A Duality Exact Sequence for Legendrian Contact Homology

open access: yes, 2009
We establish a long exact sequence for Legendrian submanifolds L in P x R, where P is an exact symplectic manifold, which admit a Hamiltonian isotopy that displaces the projection of L off of itself.
Ekholm, Tobias   +2 more
core   +1 more source

On Topological Structure of Total Paranormed Double Sequence Space (ℓ 2 ((X, ||.||), γ, ¯ w¯), G)

open access: yesJournal of Nepal Mathematical Society
The aim of this paper is to introduce and study a new class ℓ2 ((X, ||.||), γ̅, ω̅ ) of double sequences with their terms in a normed space X as a generalization of the familiar sequence space ℓ.
Jagat Krishna Pokharel   +2 more
semanticscholar   +1 more source

Structures of a bi-functional Kunitz-type STI family inhibitor of serine and aspartic proteases: could the aspartic protease inhibition have evolved from a canonical serine protease-binding loop? [PDF]

open access: yes, 2016
Bi-functional inhibitors from the Kunitz-type soybean trypsin inhibitor (STI) family are glycosylated proteins able to inhibit serine and aspartic proteases.
Berry, Colin   +4 more
core   +2 more sources

Domain of the Double Sequential Band Matrix in the Sequence Space

open access: yesAbstract and Applied Analysis, 2013
The sequence space was introduced by Maddox (1967). Quite recently, the domain of the generalized difference matrix in the sequence space has been investigated by Kirişçi and Başar (2010).
Havva Nergiz, Feyzi Başar
doaj   +1 more source

Lacunary Statistical Convergence in Measure for Double Sequences of Fuzzy Valued Functions

open access: yesJournal of Mathematics, 2021
Based on the concept of lacunary statistical convergence of sequences of fuzzy numbers, the lacunary statistical convergence, uniformly lacunary statistical convergence, and equi-lacunary statistical convergence of double sequences of fuzzy-valued ...
Ömer Kişi
doaj   +1 more source

Characterizations of the Ideal Core

open access: yes, 2019
Given an ideal $\mathcal{I}$ on $\omega$ and a sequence $x$ in a topological vector space, we let the $\mathcal{I}$-core of $x$ be the least closed convex set containing $\{x_n: n \notin I\}$ for all $I \in \mathcal{I}$.
Leonetti, Paolo
core   +1 more source

A novel intuitionistic fuzzy similarity measure based on double sequence by using modulus function with application in pattern recognition

open access: yes, 2017
In the field of pattern recognition, clustering is used to group the data into different clusters based on the similarity among them. There are a number of clustering techniques developed in the past using different distance/similarity measure.
Mohd Shoaib Khan   +6 more
semanticscholar   +1 more source

On the Domain of 4-Dimensional Catalan Matrix in the Space of Absolutely Summable Double Sequences

open access: yesUniversal Journal of Mathematics and Applications
The primary objective of this study is to construct a novel double sequence space by utilizing the domain of a 4-dimensional (4D) matrix in the space $\mathcal{L}_u$ of the absolutely summable double sequences defined via the well-known Catalan numbers.
Sezer Erdem, Serkan Demiriz
doaj   +1 more source

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