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Papers published at ICTP.

The papers published by the ICTP members before or after being ICTP members are categorized as not@ictp.

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…

A class of Bleimann, Butzer and Hahn type operators

3 years ago

Abstract In this paper we introduce a Bleimann, Butzer and Hahn type operator \(L_{n}^{a}\) where \(a\) is a real and…

Approximation properties of a class of operators of Stancu-Kantorovich type

3 years ago

Abstract In this paper we consider an extension, in the sense of Kantorovich, of a linear positive operator of Bernstein…

Asymptotic properties of Kantorovich-type Szász–Mirakjan operators of higher order

3 years ago

Abstract In this paper we study local approximation properties of a higher order Kantorovich-type Szász–Mirakjan operator recently introduced by Sabancigil,…

Simultaneous approximation by Gauss–Weierstrass–Wachnicki operators

3 years ago

Abstract In this note, we spotlight a generalization of Weierstrass integral operators introduced by Eugeniusz Wachnicki. The construction involves modified…

An inequality wich arises in the absence of the mountain pass geometry

3 years ago

Abstract An integral inequality is deduced from the negation of the geometrical condition in the bounded mountain pass theorem of…

Critical point localization theorems via Ekeland’s variational principle

3 years ago

Abstract In this paper some existence results for critical points of extremum in conical annular regions are established by Ekeland’s…

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