1997

A method for obtaining iterative formulas of higher order for roots of equations

5 months ago

Abstract AuthorsA. Muresan Tiberiu Popoviciu Institute of Numerical Analysis, Romanian Academy Keywords? Paper coordinatesA. C. Mureṣan, A method for obtaining iterative…

On the closedness of sets with the fixed point property for contractions

1 year ago

Abstract It is proved by examples that there are (connected) non-closed sets with the fixed point property for contractions in…

Inhomogeneous potentials producing homogeneous orbits

1 year ago

Abstract We prove that, in general, a given two-dimensional inhomogeneous potential \(V(x,y)\) does not allow for the creation of homogeneous…

Approximation by spline functions of the solutions of a linear bilocal problem

3 years ago

Abstract AuthorsCostica Mustata “Tiberiu Popoviciu” Institute of Numerical Analysis, Romanian Academy, Romania KeywordsPaper coordinatesC. Mustăţa, Approximation by spline functions of…

Construction of Baskakov-type operators by wavelets

3 years ago

Abstract The purpose of this paper is to introduce a class of Baskakov-type operators by means of Daubechies’ compactly-supported wavelets.…

On a functional equation

3 years ago

Abstract This is a survey paper devoted to the following functional equation \[ \sum_{k\in Z}p_{k}u\left( x-k\right) =v\left( x\right) ,\ \…

A bivariate extension of the Bernstein polynomials

3 years ago

Abstract In this paper it is given an extension to two variables of the Bernstein \(B_{n,r}f\) operators and there are…

On modified Beta operators

3 years ago

Abstract In the present paper, we deal with an integral operator of beta-type \(L_{m,y}\) depending on a positive real parameter…

On a class of linear approximating operators

3 years ago

Abstract In this paper we introduce a new class of linear approximating operators \(\left( L_{nr}\right) _{n\geq1},r=0,1,2,…,\) for the functions \(f\in…

On simultaneous approximation by Stancu-Bernstein operators

3 years ago

Abstract AuthorsOctavian Agratini Department of Mathematics, Babes-Bolyai University, Cluj-Napoca, Romania KeywordsLinear positive operators; modulus of continuity; degree of approximation Paper…

1997

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