BELLAOUAR Djamel

Scientific conferences

Plenary and Invited Talks at international Conferences:

1. Plenary session ‘’ Bellaouar Djamel, Some generalizations on the representation of unlimited natural numbers’’ March 7 2023, MOPA Seminar, USA.

Video Link:

https://www.youtube.com/watch?v=ywlYuMkR9OM

https://nylogic.github.io/mopa/2023/03/07/some-generalizations-on-the-representation-of-unlimited-natural-numbers.html

2. Bellaouar Djamel, On the comparison between the value of the divisor function to its value at Euler's function. Conference on diophantine m-tuples and related problems III, Zagreb- Croatia, September 14-16, 2022 :

Link: https://www.grad.unizg.hr/dioph/

Link: http://www.numbertheory.org/ntw/N3.html

3. Bellaouar Djamel, International Biomathematical Modeling Days (IBMD-2023) 25-27 June, 2023, Biomathematics Laboratory, University Djillali Liabes, Sidi Bel Abbes, Algeria : Representation of matrices with integer entries (a non-classical point of view).

             Link : https://sites.google.com/view/ibmd2023/home?authuser=1

4. Bellaouar Djamel, Nonstandard models applied on the representation of integers. Second International Conference on Mathematics and Applications (ICMA'2023), Sep 26-27 2023, Blida :

Link : https://icma23.sciencesconf.org/program/details

5. Boudaoud Abdelmadjid and Bellaouar djamel, Some representations of unlimited natural numbers. The fourth International conference on Applied Algebra, ICAA’2024, University Center of Barika. 17-18 September 2024.

Link : https://icaa2024barika.mystrikingly.com/

Plenary and Invited Talks at national Conferences:

6. Bellaouar Djamel, New open problems involving the divisor function. Journée Scientifique des Mathématoques et Informatique (JSMI2022), Khemis- Miliana-AlGERIA, May 16th 2022.

Link : http://www.univ-dbkm.dz/jsmi/index.html

7. Bellaouar Djamel, The equation σ(n) = τ(k⋅ϕ(n²)) has finitely many solutions. Second online conference on Mathematics and its applications (CNMA'2022), University of Bourdj Bou Arréridj September 17-18, 2022 :

1. https://site-5709206-7403-6518.mystrikingly.com/

Program : Algbra PROGRAM.pdf?id=3933100

8. Bellaouar Djamel, New diophantine equation involving the sum of positive divisors and Euler's function. National Conference on Mathematics and Applications NCMA2022, Centre Universitaire Abdelhafid Boussouf Mila/ 29 November 2022, Mila – Algeria.

Plenary and Invited Talks at Conferences:

9. Communication Poster ‘’ Sur l’approximation simultanée au sens infinitésimal des réels d’un système contenant un nombre infiniment grand d’éléments ‘’ 5eme Rencontre internationale d’analyse Mathématique et ses applications (RAMA V), 10-13 April 2006 University Mohamed Boudiaf-M’sila, Algeria.

10. Communication Poster ‘’ Approximation simultanée au sens infinitésimal d’un système de réels contenant un nombre infiniment grand d’éléments ‘’ Colloque International sur les Mathemqtiques Appliquees (CIMA’10), 07-09 November 2010, University 08 Mai 1945- Guelma, Algeria.

11. Plenary sessions ‘’ Open problems on Diophantine equations and Nonstandard analysis’’ Laboratory of pure and applied mathematics, University Mohamed Boudiaf-M’sila, 2014.

12. Oral presentation ‘’ Non-classical Study on the infinity of certain Arithmetic Inequalities’’ The 3^rd International Conference on Applied Algebra (Icaa’2015), April 28-30 2015, University Mohamed Boudiaf-M’sila.

13. Plenary session ‘’Non-classical study on the simultaneous rational approximation and on the infinity of certain Arithmetic Inequalities’’ Laboratory of Applied Mathematics and Modeling (LMAM), Séminaire hebdomadaire du Laboratoire. November  24, 2015 (14h-15:30 h).

14. Oral presentation ‘’ On a sequence formed by iterating the number of the positive divisors of n’’ Sociedage Portuguesa de Matemàtica 2016, 11, 12 e 13 de Julho. Escola Superior de Tecnologia do Barreiro, Portugal,

(http://enspm16.spm.pt/pt/),  (http://enspm16.spm.pt/files/outros/assintotica_nstandard.pdf).

15. Oral presentation ‘’ On the solubility of certain Diophantine inequalities using particular subsets of positive integers’’ Congrès des Mathématiciens Algériens, CMA’2016, Batna, 08-09 November 2016.

16. Plenary session ‘Notes on certain Diophantine equations involving the divisor function and some related functions’’ Laboratory of Applied Mathematics and Modeling (LMAM), Séminaire hebdomadaire du Laboratoire. November 07, 2017 (14h-15:30 h).

17. ORal presentation ‘’ Remarks and new problems involving the iteration of decreasing multiplicative operators’’ Workshops on pure and applied Mathematics (WPAM’18), CMA’2016, University Mohamed Boudiaf-M’sila, December 17-18, 2018.

18. Oral presentation ‘’ Non-standard notes on the ratio of two expressions formed by the product and the sum of certain multiplicative arithmetic functions’’ Second International Workshop on Cryptography and its Applications (2’IWCA’19) / 18-19 June 2019, U.S.T.O-MB, Oran, Algeria.