Výsledky vyhledávání

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Partitions into Triples with Equal Products and Families of Elliptic Curves

Autor: Youmbai, Ahmed El Amine, Zargar, Arman Shamsi, Voznyy, Maksym

Let $S_l(M,N)$ denote a set of $\ell$ triples of positive integers whose parts have the same sum $M$ and the same product $N$. For each $2\leq\ell\leq 4$ we establish a connection between the set $S_l(M,N)$ and a family of elliptic curves. When $\ell

Externí odkaz: http://arxiv.org/abs/2408.13867

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On the number of primitive and quasi-primitive irreducible characters in finite groups

Autor: Youmbai, Riad, Chen, Gang

In this short note, it is proved that both the number of primitive characters and the number of quasi-primitive characters in a finite group $G$ is divisible by $|G:G'|$, where $G'$ is the derived subgroup of $G$.

Externí odkaz: http://arxiv.org/abs/2305.18574

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Akademický článek

Elliptic curve of rank at least 4 over Q(k) with torsion point of order 4.

Autor: Youmbai, Ahmed El Amine

Publikováno v: Indian Journal of Pure & Applied Mathematics; Jun2024, Vol. 55 Issue 2, p463-468, 6p

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Akademický článek

Caractérisation et activités biologiques d’un extrait polysaccharidique de Ferula communis L. (Apiaceae) récolté au Sahara .

Autor: Youmbai, A.^1,2 youmbai-asma@univ-eloued.dz, Mehellou, Z.¹, Boual, Z.¹, Gardarin, C.², Pierre, G.², Delattre, C.², Michaud, P.², Ould El-Hadj, M. D.¹

Publikováno v: Phytothérapie. Aug-Oct2022, Vol. 20 Issue 4/5, p205-213. 9p.

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Akademický článek

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Elliptic curve of rank at least 4 over $${\mathbb {Q}}(k)$$ with torsion point of order 4

Autor: Ahmed El Amine Youmbai

Publikováno v: Indian Journal of Pure and Applied Mathematics.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4f25c02b8f478698322c653dcc62315a
https://doi.org/10.1007/s13226-023-00380-8

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Caractérisation et activités biologiques d'un extrait polysaccharidique de Ferula communis L. (Apiaceae) récolté au Sahara

Autor: Zakaria Boual, A. Youmbai, Cédric Delattre, Christine Gardarin, Philippe Michaud, M.D. Ould El-Hadj, Z. Mehellou, Guillaume Pierre

Publikováno v: Phytothérapie
Phytothérapie, 2021, ⟨10.3166/phyto-2021-0292⟩

International audience; The study focuses on a partial structural characterization and biological activities of a polysaccharide fraction (GFC) isolated after hot maceration of the gum resin of Ferula communis L. (Apiaceae) collected in the Sahara. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46301c9cd7ee49543c7f0f6486ed5fae
https://hal.uca.fr/hal-03576410

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Rational solutions of the Diophantine equations $$f(x)^2 \pm f(y)^2=z^2$$

Autor: Djilali Behloul, Ahmed El Amine Youmbai

Publikováno v: Periodica Mathematica Hungarica. 79:255-260

We discuss the rational solutions of the Diophantine equations $$f(x)^2 \pm f(y)^2=z^2$$ . This problem can be solved either by the theory of elliptic curves or by elementary number theory. Inspired by the work of Ulas and Togbe (Publ Math Debrecen 7

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5c85860afea97595ad780d6d90cb1eea
https://doi.org/10.1007/s10998-019-00294-1

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