Extension of bilinear functionals and best approximation in 2-normed space
Abstract The paper investigates the relations between the extension properties of bounded bilinear functionals and the approximation properties in 2-normed…
Approximation Theory
On the derivative-interpolating spline functions of even degree
Abstract AuthorsCostica Mustata “Tiberiu Popoviciu” Institute of Numerical Analysis, Romanian Academy, Romania KeywordsPaper coordinatesC. Mustăţa, On the derivative-interpolating spline functions…
A Galerkin Methods for a singularly perturbed bilocal problem
Abstract A bilocal singularly perturbed problem is solved using Galerkin’s method in a space in which the test functions are…
On a problem of B.A. Karpilovskaya
Abstract AuthorsCostica Mustata “Tiberiu Popoviciu” Institute of Numerical Analysis, Romanian Academy, Romania KeywordsPaper coordinatesC. Mustăţa, On a problem of B.A.…
The approximation by spline functions of the solution of a polylocal problem for a differential equation of order p
Abstract AuthorsCostică Mustăţa Department of Mathematics Babes-Bolyai University, Cluj-Napoca, Romania Keywords? Paper coordinatesC. Mustăţa, The approximation by spline functions of…
Extension of Lipschitz functions and best approximation
Abstract The aim of this paper is to present various extension results for Lipschitz functions and to put in evidence…
Some remarks concerning norm preserving extension and best approximation
Abstract Let \(X,Y\) be two normed spaces, \(X_{1}\) a subspace of \(X\) and \(A:X \rightarrow Y\) a continuous linear operator.…
Uniqueness of extension of semi-Lipschitz functions on quasi-metric spaces
Abstract AuthorsCostica Mustata “Tiberiu Popoviciu” Institute of Numerical Analysis, Romanian Academy, Romania KeywordsPaper coordinatesC. Mustăţa, Uniqueness of extension of semi-Lipschitz…
Extension of semi Lipschitz function on quasi-metric spaces
Abstract The aim of this note is to prove an extension theorem for semi-Lipschitz real functions defined on quasi-metric spaces,…
Extension of starshaped bounded semi-Lipschitz function on a quasi metric linear spaces
Abstract AuthorsCostica Mustata “Tiberiu Popoviciu” Institute of Numerical Analysis, Romanian Academy, Romania KeywordsPaper coordinatesC. Mustăţa, Extension of starshaped bounded semi-Lipschitz…