Results 81 to 90 of about 513,254 (163)

Extension of bounded linear functionals and best approximation in spaces with asymmetric norm

open access: yesJournal of Numerical Analysis and Approximation Theory, 2004
The present paper is concerned with the characterization of the elements of best approximation in a subspace \(Y\) of a space with asymmetric norm, in terms of some linear functionals vanishing on \(Y\).
Ş. Cobzaş, C. Mustăţa
doaj   +2 more sources

Best approximation in spaces with asymmetric norm

open access: yesJournal of Numerical Analysis and Approximation Theory, 2006
In this paper we shall present some results on spaces with asymmetric seminorms, with emphasis on best approximation problems in such spaces.
Ştefan Cobzaş, Costică Mustăţa
doaj   +2 more sources

Ultradifferentiable classes of entire functions. [PDF]

open access: yesAdv Oper Theory, 2023
Nenning DN, Schindl G.
europepmc   +1 more source

Bishop-Phelps Theorem for Normed Cones

open access: yesپژوهش‌های ریاضی, 2019
Introduction In the last few years there is a growing interest in the theory of quasi-metric spaces and other related structures such as quasi-normed cones and asymmetric normed linear spaces, because such a theory provides an important tool in the study
Ildar Sadeghi, Ali Hassanzadeh
doaj  

Lipschitz Carnot-Carathéodory Structures and their Limits. [PDF]

open access: yesJ Dyn Control Syst, 2023
Antonelli G   +2 more
europepmc   +1 more source

From linear to metric functional analysis. [PDF]

open access: yesProc Natl Acad Sci U S A, 2021
Karlsson A.
europepmc   +1 more source

Banach spaces: The Hahn-Banach theorem

open access: yes, 2009
Banach spaces are one of many major topics of study in Functional Analysis. A Banach space is a complete normed vector space B with a norm 11-11. This research paper will explain what a Banach space is and show some examples of the Banach space; state ...
Moore, Michael I
core   +1 more source

Free Banach lattices under convexity conditions. [PDF]

open access: yesRev R Acad Cienc Exactas Fis Nat A Mat, 2022
Jardón-Sánchez H   +4 more
europepmc   +1 more source

Optimal transport of vector measures. [PDF]

open access: yesCalc Var Partial Differ Equ, 2021
Ciosmak KJ.
europepmc   +1 more source

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