Results 11 to 20 of about 1,159 (264)
A New Class of s-type X(u,v;l_p(E)) Operators
Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2019 In thisstudy, we introduce the class of s-type X(u,v;l_p(E)) operators, L_(u,v;E). Also we show that this class is a quasi-Banach operator ideal and we study onthe properties of the classes which are produced via different types ofs-numbers.
Pınar Zengin Alp, Merve İlkhan
doaj +1 more source
The history of a general criterium on spaceability
Open Mathematics, 2017 There are just a few general criteria on spaceability. This survey paper is the history of one of the first ones. Let I1 and I2 be arbitrary operator ideals and E and F be Banach spaces.
Sánchez Víctor M.
doaj +1 more source
When do L-fuzzy ideals of a ring generate a distributive lattice?
Open Mathematics, 2016 The notion of L-fuzzy extended ideals is introduced in a Boolean ring, and their essential properties are investigated. We also build the relation between an L-fuzzy ideal and the class of its L-fuzzy extended ideals.
Gao Ninghua, Li Qingguo, Li Zhaowen
doaj +1 more source
$M$-ideals of compact operators [PDF]
Illinois Journal of Mathematics, 1993 A subspace \(E\) of a Banach space \(X\) is called an \(M\)-ideal if the annihilator \(E^ \perp\) of \(E\) in the dual admits a subspace \(F\) such that \(X^*\) is the \(\ell^ 1\)-direct sum of \(E^ \perp\) and \(F\). The investigation of the problem whether for a space \(X\) the space of compact operators \(K(X)\) is an \(M\)-ideal in the bounded ...
openaire +4 more sources
On Neutrosophic Vague Binary BZMZ^dM Sub-algebra of BZMZ^dM-algebra in Neutrosophic Vague Binary Sets [PDF]
Neutrosophic Sets and Systems, 2021 In Model theory, common algebraic structures found are Lattices and Boolean Algebras. In the broad field of research, various algebraic structures can be introduced for a set. BCK, BCI, BCH, BH etc. are some of them.
P. B. Remya, A. Francina Shalini
doaj +1 more source
Rowmotion and generalized toggle groups [PDF]
Discrete Mathematics & Theoretical Computer Science, 2018 We generalize the notion of the toggle group, as defined in [P. Cameron-D. Fon-der-Flaass '95] and further explored in [J. Striker-N. Williams '12], from the set of order ideals of a poset to any family of subsets of a finite set.
Jessica Striker
doaj +1 more source
On Narrow Operators from $$L_p$$ into Operator Ideals
Mediterranean Journal of Mathematics, 2022 AbstractIt is well known that every $$l_2$$ l 2 -strictly singular operator from $$L_p$$ L p , $$1<p<\infty $$ 1
Jinghao Huang +2 more
openaire +1 more source
Approximation properties of tensor norms and operator ideals for Banach spaces
Open Mathematics, 2020 For a finitely generated tensor norm α\alpha , we investigate the α\alpha -approximation property (α\alpha -AP) and the bounded α\alpha -approximation property (bounded α\alpha -AP) in terms of some approximation properties of operator ideals.
Kim Ju Myung
doaj +1 more source
Lipschitz integral operators represented by vector measures
Applied General Topology, 2021 In this paper we introduce the concept of Lipschitz Pietsch-p-integral mappings, (1≤p≤∞), between a metric space and a Banach space. We represent these mappings by an integral with respect to a vector measure defined on a suitable compact Hausdorff ...
Elhadj Dahia, Khaled Hamidi
doaj +1 more source
On a New Stochastic Space of Solution for the Volterra-Type Summable Equations of Fuzzy Functions
Journal of Mathematics, 2023 This article explains the sufficient requirements for a newly constructed stochastic space by Poisson-like matrices and weighted variable exponent sequence spaces of fuzzy functions, as well as the ideals of their operators, for the Kannan contraction ...
Mustafa M. Mohammed, Awad A. Bakery
doaj +1 more source