Posts by ictp

On a theorem of H. Zieschang

Abstract AuthorsGh. Calugareanu Institutul de Calcul Keywords? Paper coordinatesGh. Călugăreanu, Sur un théorème de H. Zieschang, L’Enseignement mathématique, XXI, 1 (1975), pp. 16-30. PDF?? About this paperJournalMathematical Education Publisher NameEuropean…

On certain invariants attached to countable groups

Abstract AuthorsGh. Calugareanu Institutul de Calcul Keywords? Paper coordinatesGh. Călugăreanu, Sur certains invariants attachés aux groupes dénombrables, Mathematica – Revue d’Analyse Numérique et de Théorie de l’Approximation, Mathematica, Tome 17(40), 1,…

Continuous and locally Lipschitz convex functions

Abstract AuthorsS. Cobzaş (Institutul de Calcul) Ştefan Cobzaş I. Muntean Ioan Muntean (1931-1996) Keywords? Paper coordinatesS. Cobzaş and I. Muntean, Continuous and locally Lipschitz convex functions, Mathematica 18 (1976), 41-51. PDFhttps://ictp.acad.ro/wp-content/uploads/2025/11/1976-Cobzas-Muntean-Mathematica-Continuous-and-locally-Lipschitz.pdf About this…

Antiproximinal sets in Banach spaces of continuous functions

Abstract AuthorsS. Cobzas Institutul de Calcul Keywords? Paper coordinatesS. Cobzaş, Antiproximinal sets in Banach spaces of continuous functions, Rev. Anal. Numer. Theor. Approx. 5 (1976), no. 2, 127–143. PDFhttps://ictp.acad.ro/jnaat/journal/article/view/1976-vol5-no2-art2/Cobzas About this paperJournalMathematica-Revue d’Analyse…

Mathematical analysis (romanian)

Abstract AuthorsL. Bal Institutul de Calcul Keywords? Paper coordinatesL. Bal, Analiză matematică, Atelierul de multiplicare al Institutului Politehnic Cluj-Napoca, 1976. PDF?? About this paperJournalPublisher NameDOIPrint ISSNOnline ISSNgoogle scholar link References ??

Criteria for nth-order convexity of functions

Abstract AuthorsI. Serb Institutul de Calcul Keywords? Paper coordinatesI. Şerb, Critères pour la convexité d’ordre n des fonctions. (French) Rev. Anal. Numér. Théorie Approximation 5 (1976), no. 1, 97–111. PDFhttps://ictp.acad.ro/jnaat/journal/article/view/1976-vol5-no1-art10/Serb About…

Asymptotic behaviors of the solutions of the energy equation in the incompressible boundary layer

Abstract AuthorsP. Bradeanu D. Bradeanu Institutul de Calcul Keywords? Paper coordinatesP. Brădeanu, D. Brădeanu, Comportări asimptotice ale soluţiilor ecuației energiei din stratul limită incompresibil, Studia Univ. Babeș-Bolyai, Series Mathematica, 1, 1977,…

On the roots of the solutions of the equation y′′+p1(x)y′+p2(x)y=0

Abstract AuthorsD. Ripeanu (Ripianu) Institutul de Calcul Keywords? Paper coordinatesD. Ripeanu, Sur les racines des solutions de l’équation y′′+p1(x)y′+p2(x)y=0. (French) Mathematica (Cluj) 19(42) (1977), no. 1, 95–111. PDFhttps://ictp.acad.ro/wp-content/uploads/2025/11/Sur-les-racines-des-solutions-de-lequation-y′′p1xy′p2xy0.pdf About this paperJournalMathematica Publisher Namepublished by the…

The order of starlikeness of a Libera integral operator

Abstract AuthorsP.T. Mocanu M.O. Reade D. Ripianu (Ripeanu) Institutul de Calcul Keywords? Paper coordinatesP.T. Mocanu, M.O. Reade, D. Ripianu, The order of starlikeness of a Libera integral operator, Mathematica (Cluj) 19(42) (1977), no. 1,…

Antiproximinal sets in Banach spaces of c₀-type

Abstract AuthorsS. Cobzas Institutul de Calcul Keywords? Paper coordinatesS. Cobzaş, Antiproximinal sets in Banach spaces of c0-type, Rev. Anal. Numer. Theor. Approx. 7 (1978), 141-145. PDFhttps://ictp.acad.ro/jnaat/journal/article/view/1978-vol7-no2-art3 About this paperJournalRevue d’Analyse Numérique et de Théorie…