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相关论文: Unbounded convergence in Banach lattices and appli…

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Based on the concept of unbounded absolutely weakly convergence, we give new characterizations of L-weakly compact sets. As applications, we find some properties of order weakly compact operators. Also, a new characterizations of order…

泛函分析 · 数学 2020-05-05 Hassan Khabaoui , Jawad H'michane , Kamal El Fahri

Several recent papers investigated unbounded versions of order and norm convergences in Banach lattices. In this paper, we study the unbounded variant of weak convergence and its relationship with other convergences. In particular, we…

泛函分析 · 数学 2017-09-05 Omid Zabeti

We introduce the class of unbounded $M$-weakly operators and the class of unbounded $L$-weakly compact operators. We investigate some properties for these new classification of operators and we study relation between them and $M$-weakly…

泛函分析 · 数学 2021-09-16 Zahra Niktab , Kazem Haghnejad Azar , Razi Alavizadeh , Saba Sadeghi Gavgani

In this paper, we investigate more about relationship between $uaw$ -convergence (resp. $un$-convergence) and the weak convergence. More precisely, we characterize Banach lattices on which every weak null sequence is $uaw$-null. Also, we…

泛函分析 · 数学 2020-05-04 Aziz Elbour

Recently, the functionals different types of unbounded convergences (uo, un, uaw, uaw*) in Banach lattices were studied. In this paper, we study the continuous operators with respect to unbounded convergences. We first investigate the…

泛函分析 · 数学 2021-04-06 Zhangjun Wang , Zili Chen , Jinxi Chen

Motivated by the equivalent definition of a continuous operator between Banach spaces in terms of weakly null nets, we introduce two types of continuous operators between Banach lattices using unbounded absolute weak convergence. We…

泛函分析 · 数学 2020-04-07 Omid Zabeti

Several recent papers investigated lattice copies and unbounded convergences in Banach lattices. In this paper, we first solve the problem of RV and LA which is an extension of the well-known James distortion theorem. Using lattice copies…

泛函分析 · 数学 2022-03-17 Zhangjun Wang , Zili Chen

We give some characterizations of disjointly weakly compact sets in Banach lattices, namely, those sets in whose solid hulls every disjoint sequence converges weakly to zero. As an application, we prove that a bounded linear operator from a…

泛函分析 · 数学 2023-04-27 Bo Xiang , Jin Xi Chen , Lei Li

In this paper we introduce and study a new class of operators related to norm bounded sets on Banach Lattice and which brings together several classical classes of operators (as o-weakly compact operators, b-weakly compact operators,…

泛函分析 · 数学 2022-09-27 Hassan Khabaoui , Jawad H'michane , Kamal Elfahri

Motivated by the equivalent definition of a continuous operator between Banach spaces in terms of weakly null nets, we introduce unbounded continuous operators by replacing weak convergence with the unbounded absolutely weak convergence (…

泛函分析 · 数学 2020-08-11 Omid Zabeti

We study (almost) limited operators in Banach lattices and their relations to L-weakly compact, semi-compact, and Dunford-Pettis operators. Several further related topics are investigated.

泛函分析 · 数学 2025-02-14 Safak Alpay , Svetlana Gorokhova

In this paper, we characterize Banach lattices on which each Dunford-Pettis operator (or weak Dunford-Pettis) is unbounded absolute weak Dunford-Pettis operator and the converse.

泛函分析 · 数学 2020-06-23 Hui Li , Zili Chen

The notion of almost everywhere convergence has been generalized to vector lattices as unbounded order convergence, which proves a very useful tool in the theory of vector and Banach lattices. In this short note, we establish some new…

泛函分析 · 数学 2017-05-04 Hui Li , ZiliChen

We study almost L(M) weakly compact and order L(M) weakly compact operators in Banach spaces. Several further topics related to these operators are investigated.

泛函分析 · 数学 2024-07-04 Safak Alpay , Svetlana Gorokhova

A net $(x_\alpha)$ in a vector lattice $X$ is unbounded order convergent to $x \in X$ if $\lvert x_\alpha - x\rvert \wedge u$ converges to $0$ in order for all $u\in X_+$. This convergence has been investigated and applied in several recent…

泛函分析 · 数学 2016-05-12 Y. Deng , M. O'Brien , V. G. Troitsky

Recently, the different types of unbounded convergences (uo, un, uaw, uaw*) in Banach lattices were studied. In this paper, we study the continuous functionals with respect to unbounded convergences. We first characterize the continuity of…

泛函分析 · 数学 2021-04-01 Zhangjun Wang , Zili Chen , Jinxi Chen

Several recent papers investigated unbounded and statistical versions of order convergence and topology convergence in locally solid Riesz space. In this papers, we study the statistical unbounded order and topology convergence in Riesz…

泛函分析 · 数学 2019-09-12 Zhangjun Wang , Zili Chen , Jinxi Chen

We introduce and study the class of almost limited sets in Banach lattices, that is, sets on which every disjoint weak$^{*}$ null sequence of functionals converges uniformly to zero. It is established that a Banach lattice has order…

泛函分析 · 数学 2013-09-10 Jin Xi Chen , Zi Li Chen , Guo Xing Ji

In this paper, we introduce and study a new classes of operators, named AM-unbounded norm compact operators. We study the the basic properties of the new operator and we investigate the lattice-order and topology property of the operator…

泛函分析 · 数学 2019-10-07 Wang Zhangjun , Chen Zili , Chen Jinxi

In this paper, using the concept of unbounded absolute weak convergence ($uaw$-convergence, for short) in a Banach lattice, we define two classes of continuous operators, named $uaw$-Dunford-Pettis and $uaw$-compact operators. We…

泛函分析 · 数学 2019-02-28 Nazife Erkursun Ozcan , Niyazi Anil Gezer , Omid Zabeti
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