Simultaneous approximation by Gauss–Weierstrass–Wachnicki operators
Abstract In this note, we spotlight a generalization of Weierstrass integral operators introduced by Eugeniusz Wachnicki. The construction involves modified…
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An inequality wich arises in the absence of the mountain pass geometry
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
Abstract In this paper some existence results for critical points of extremum in conical annular regions are established by Ekeland’s…
On some control problems for Kolmogorov type systems
Abstract The paper deals with some control problems related to the Kolmogorov system for two interacting populations. For the first…
On the localization and numerical computation of positive radial solutions for φ-Laplace equations in the annulus
Abstract The paper deals with the existence and localization of positive radial solutions for stationary partial differential equations involving a…
Contributions to the numerical partial differentiation of functions of two or more variables
Original title (in Romanian)Contribuţii la derivarea parţială numerică a funcţiilor de două şi mai multe variabile Abstract AuthorsDimitrie D. Stancu…
On a class of orthogonal polynomials and general quadrature formulas with minimal number of terms
Abstract AuthorsDimitrie D. Stancu ”Babes-Bolyai” University, Cluj-Napoca, Romania Institutul de Calcul (Tiberiu Popoviciu Institute of Numerical Analysis), Romanian Academy Keywords?…
Generalizarea unor polinoame de interpolare pentru funcţiile de mai multe variabile
Abstract AuthorsDimitrie D. Stancu ”Babes-Bolyai” University, Cluj-Napoca, Romania Keywords? Paper coordinatesD.D. Stancu, Generalizarea unor polinoame de interpolare pentru funcţiile de mai…
Asupra formulei de interpolare a lui Hermite şi a unor aplicaţii ale acesteia
Abstract AuthorsDimitrie D. Stancu ”Babes-Bolyai” University, Cluj-Napoca, Romania Institutul de Calcul (Tiberiu Popoviciu Institute of Numerical Analysis), Romanian Academy Keywords?…
Consideraţii asupra interpolării polinomiale a funcţiilor de mai multe variabile
Abstract AuthorsDimitrie D. Stancu ”Babes-Bolyai” University, Cluj-Napoca, Romania Keywords? Paper coordinatesD.D. Stancu, Consideraţii asupra interpolării polinomiale a funcţiilor de mai multe…