Posts by ictp

On topological spaces endowed with a measure

Abstract AuthorsP. Petrisor Institutul de Calcul Keywords? Paper coordinatesP. Petrişor, Sur les espaces topologiques doués d’une mesure, Mathematica (Cluj) 12(35) (1970), 195–202. (in French) PDFhttps://ictp.acad.ro/wp-content/uploads/2025/10/1970-Petrisor_Sur_les_espaces-Mathematica.pdf About this paperJournalMathematica Cluj Publisher Namepublished…

On the extension of a measure

Abstract AuthorsP. Petrisor Institutul de Calcul Keywords? Paper coordinatesP. Petrişor, Sur le prolongement d’une mesure, Mathematica (Cluj) 12(35) (1970), 345–353. (in French) PDFhttps://ictp.acad.ro/wp-content/uploads/2025/10/1970-Petrisor_Sur_le_prolongement-Mathematica.pdf About this paperJournalMathematica Cluj Publisher Namepublished by the…

On a certain type of topology defined on the family P(X)

Abstract AuthorsP. Petrisor Institutul de Calcul Keywords? Paper coordinatesP. Petrişor, Sur un certain type de topologie définie sur la famille P(X), Mathematica (Cluj) 12(35) (1970), 335–343. (in French) PDFhttps://ictp.acad.ro/wp-content/uploads/2025/11/1970-Petrisor_Sur_un_certain_type-Mathematica.pdf About this…

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. PDFhttps://ictp.acad.ro/wp-content/uploads/2026/09/1970-A.-Lupas-M.W.-Muller-Aequationes-Math-Approximation-properties-of-the-Mn-operators-19–37.pdf About this paperJournalAequationes mathematicae Publisher NameDOIPrint ISSNOnline ISSNgoogle scholar…

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 differential equations, Mathematica (Cluj) 12(35) (1970), 87–104. PDFhttps://ictp.acad.ro/wp-content/uploads/2025/10/1970-Lupas_An_interpolation_pb-Mathematica.pdf About this paperJournalMathematica Cluj Publisher…

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 paperJournalMathematica Cluj Publisher Namepublished by the Romanian Academy Publishing House…

On the approximation by linear positive operators

Abstract AuthorsA. Lupas Institutul de Calcul Alexandru Lupaş (1942-2007) Keywords? Paper coordinatesA. Lupaş, On the approximation by linear positive operators, Iterationsverfahren, Numerische Mathematik, Approximationstheorie (Tagung Numer. Method. Approximationstheorie, Oberwolfach, 1969), pp. 167–175. Internat.…

Perspective on Knot Theory

Abstract AuthorsGh. Călugăreanu Gheorghe Călugăreanu (1902-1976) Keywords? Paper coordinatesGh. Călugăreanu, Point de vue sur la théorie des nœuds, L’Enseignement mathématique XVI, 1 (1970), pp. 343-353. PDFhttps://ictp.acad.ro/wp-content/uploads/2026/08/1970-Gh.-Calugareanu-L-Enseignement-mathematique-Point-de-vue-sur-la-theoreme-p.343-353.pdf About this paperJournalL’Enseignement mathématique Publisher…

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 this paperJournalMathematica Cluj Publisher Namepublished by the Romanian Academy Publishing…

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 Mathematicies NICE 1970 – Les 265. Comunications – individuales, p.…