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On some inequalities

3 months ago

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…

g-Loewner Chains and the Graham-Kohr Extension Operator in Complex Banach Spaces

3 months ago

AbstractAuthorsEduard-Stefan Grigoriciuc Tiberiu Popoviciu Institute of Numerical Analysis, Romanian Academy Babes-Bolyai University, Cluj-Napoca, Romania KeywordsComplex Banach space, g-Loewner chain, g-starlike…

New subclasses of univalent functions on the unit disc in C

3 months ago

Abstract In this paper we consider a differential operator defined on the family of holomorphic normalized functions that can be…

Regarding a lemma of Tadeusz Ważewski

3 months ago

Abstract AuthorsTiberiu Popoviciu Institutul de Calcul Keywords? Paper coordinatesT. Popoviciu, À propos d’un lemme de Tadeusz Ważewski, Ann. Polon. Math., 29 (1974) no.…

Photogravitational models in Celestial Mechanics

4 months ago

Abstract AuthorsMira-Cristiana Anisiu Institutul de Calcul, Cluj-Napoca, Romania Keywords? Paper coordinatesM.-C. Anisiu, Photogravitational models in Celestial Mechanics, Sesiunea Naţională de Astronomie…

Sequences of linear operators related to Cesàro-convergent sequences

4 months ago

Abstract Given a Cesaro-convergent sequence of real numbers \((a_{n}% )_{n\in \mathbb{N}}\), a sequence \((\varphi_{n})_{n\in \mathbb{N}}\) of operators is defined on…

Differential equations that model electrical circuits

4 months ago

Abstract AuthorsDaniel Anisiu Universitatea Tehnica Cluj-Napoca, Facultatea de Electronica si Telecomunicatii Mira-Cristiana Anisiu Tiberiu Popoviciu Institute of Numerical Analysis Romanian…

Julia Robinson and Hilbert’s tenth problem

4 months ago

Abstract One of the solved Hilbert’s problems stated in 1900 at the International Congress of Mathematicians in Paris is: Given…

On a combinatorics problem

4 months ago

Abstract We present a problem in arrangements, which was solved in 1934 by M. H. Martin in a constructive way,…

Vera Rubin and the hypothesis of dark matter existence

4 months ago

Abstract Our solar system belongs to the Milky Way galaxy. The fact that there exist other galaxies is known since…

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