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The Uniform Boundedness Theorem in Asymmetric Normed Spaces [PDF]

open access: yesAbstract and Applied Analysis, 2012
We obtain a uniform boundedness type theorem in the frame of asymmetric normed spaces. The classical result for normed spaces follows as a particular case.
C. Alegre, S. Romaguera, P. Veeramani
doaj   +6 more sources

Banach-Steinhaus theorem for linear relations on asymmetric normed spaces

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2022
We study the continuity of linear relations defined on asymmetric normed spaces with values in normed spaces. We give some geometric charactirization of these mappings.
K. Bouadjila, A. Tallab, E. Dahia
doaj   +3 more sources

Compact bilinear operators on asymmetric normed spaces [PDF]

open access: yesTopology and Its Applications, 2022
The paper is concerned with compact bilinear operators on asymmetric normed spaces. The study of multilinear operators on asymmetric normed spaces was initiated by Latreche and Dahia, Colloq. Math. (2020). We go further in this direction and prove a Schauder type theorem on the compactness of the adjoint of a compact bilinear operator and study the ...
Stefan Cobzaş
exaly   +5 more sources

Index of symmetry and topological classification of asymmetric normed spaces [PDF]

open access: yesRocky Mountain Journal of Mathematics, 2020
Let X, Y be asymmetric normed spaces and Lc(X, Y) the convex cone of all linear continuous operators from X to Y. It is known that in general, Lc(X, Y) is not a vector space.
Gonzalo Flores
exaly   +8 more sources

Quasi-Metric Properties of the Dual Cone of an Asymmetric Normed Space

open access: yesResults in Mathematics, 2022
We obtain some quasi-metric properties of the dual cone of an asymmetric normed space. Thus, we prove that it is balanced, and hence its topology is completely regular. We also prove that it is complete in the sense of D. Doitchinov.
Carmen Alegre
exaly   +6 more sources

Local Antisymmetric Connectedness in Asymmetrically Normed Real Vector Spaces

open access: yesUniversal Journal of Mathematics and Applications, 2023
In this paper, some properties of locally antisymmetrically connected spaces which are the localized version of the antisymmetrically connected $T_0$-quasi-metric spaces constructed as the natural counterparts of connected complementary graphs, are ...
Nezakat Javanshır, Filiz Yıldız
doaj   +6 more sources

Compactness in asymmetric normed spaces

open access: yesTopology and Its Applications, 2008
A systematic study of precompact and compact subsets on asymmetric normed linear spaces is developed, centering our attention in the case of linear lattices with an asymmetric norm.
Irène Ferrando, E A Sanchez Perez
exaly   +4 more sources

The weak topology in finite dimensional asymmetric normed spaces [PDF]

open access: yesTopology and Its Applications, 2019
In this paper we show that, in contrast to what happens in a normed space, the weak topology of a finite dimensional asymmetric normed space is not necessarily the same as the topology of the asymmetric norm.
Carmen Alegre
exaly   +5 more sources

On the extension of semi-Lipschitz functions on asymmetric normed spaces

open access: yesJournal of Numerical Analysis and Approximation Theory, 2005
Extension theorems for semi-Lipschitz functions and some properties of these extensions useful in approximation problems are presented. As illustration, a such problem is considered.
Costică Mustăţa
doaj   +5 more sources

On The Spaces of Linear Operators Acting Between Asymmetric Cone Normed Spaces

open access: yesMediterranean Journal of Mathematics, 2018
An asymmetric norm is a positive sublinear functional p on a real vector space X satisfying $$x=\theta _X$$x=θX whenever $$p(x)=p(-x)=0$$p(x)=p(-x)=0. Since the space of all lower semi-continuous linear functionals of an asymmetric normed space is not a ...
Pinar Zengin Alp   +2 more
exaly   +5 more sources

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