Approximation properties of the Mn-operators
Abstract AuthorsA. Lupas Institutul de Calcul M.W. Müller Keywords? Paper coordinatesA. Lupas, M.W. Müller, Approximation properties of the Mn-operators, Aequationes Math., 5 1970, 19–37.…
works
An interpolation problem for the solutions of a class of linear differential equations
Abstract AuthorsA. Lupas Institutul de Calcul Keywords? Paper coordinatesA. Lupaş, An interpolation problem for the solutions of a class of linear…
On some inequalities
Abstract AuthorsA. Lupas (Institutul de Calcul) Alexandru Lupaş (1942-2007) Keywords? Paper coordinatesA. Lupaş, On some inequalities, Mathematica (Cluj)12(35) (1970), 293–298. PDFhttps://ictp.acad.ro/wp-content/uploads/2025/10/1970-Lupas_On_some_ineq-Mathematica.pdf About this…
On the approximation by linear positive operators, iteration method
Abstract AuthorsA. Lupas Institutul de Calcul Keywords? Paper coordinatesA. Lupaş, On the approximation by linear positive operators, Iterationsverfahren, Numerische Mathematik, Approximationstheorie (Tagung…
Introduction to the theory of “spline functions”
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Introduction à la théorie des “fonctions spline” (in French) Acta Math.…
Obrechkoff-type cubature formulas with a degree of accuracy equal to four
Abstract AuthorsD.V. Ionescu Institutul de Calcul Keywords? Paper coordinatesD.V. Ionescu, Formules de cubature du type Obrechkoff ayant le degré d’exactitude égal…
On uniform approximation by functions having restricted ranges
Abstract AuthorsGh. Cimoca Institutul de Calcul Keywords? Paper coordinatesGh. Cimoca, On uniform approximation by functions having restricted ranges, Mathematica (Cluj) 12(35) (1970), 237–251. PDFhttps://ictp.acad.ro/wp-content/uploads/2025/10/1970-Cimoca-Mathematica.pdf About…
Separation of variables to four-variable functions
Abstract AuthorsL. Bal Institutul de Calcul Keywords? Paper coordinatesL. Bal, Séparation des variables aux functions à quatre variables, Le Congres International des…
On the Goursat condition of separation of variables in four-variable equations
Abstract AuthorsL. Bal Institutul de Calcul M. Mihoc Institutul de Calcul Keywords? Paper coordinatesL. Bal, M. Mihoc, Sur la condition de…
An analogue in Lp space of the de la Vallée Poussin inequality relating to the polylocal problem
Abstract AuthorsO. Arama Institutul de Calcul Keywords? Paper coordinatesO. Aramă, Un analogue dans l’espace Lp de l’inégalité de de la Vallée…