Curriculum Vitae

Download the full CV (PDF)

Position: Associate Professor (Maître de Conférences A), National Higher School of Mathematics, Algiers
Research lab: RECITS Laboratory, USTHB, Algiers
Email: yahia.djemmada@nhsm.edu.dz or yahia.djem@gmail.com
Profiles: Google Scholar · ResearchGate · ORCID · LinkedIn

Education

PhD in Mathematics, option Discrete Mathematics and Operations Research (February 2021)
University of Science and Technology Houari Boumediene (USTHB), Algiers
Thesis: An arithmetic and combinatorial study of the geometric polynomials (in English)
Master of Science in Mathematics, option Operations Research: Methods and Models for Engineering and Research (June 2015)
USTHB, Algiers
Thesis: “Rotating Disk,” a symmetric cryptosystem based on the factorization problem (in French)
Bachelor in Mathematics, option Operations Research (July 2013)
USTHB, Algiers (studied in French)

Teaching experience

Associate Professor (Maître de Conférences A), January 2025 – present

National School of Mathematics, Algiers

Discrete Mathematics 1 (September 2025 – January 2026)
Algebra 1 (September 2025 – January 2026)
Discrete Mathematics 2 (January – July 2025)
Mathematical Computing Tools (January – July 2025)

Assistant Professor (Maître de Conférences B), April 2022 – January 2025

National School of Mathematics, Algiers

Discrete Mathematics 1 (September 2023 – January 2024; September 2024 – January 2025)
Discrete Mathematics 2 (February – July 2022; January – July 2024)
Algebra 1 (September 2022 – January 2023; September 2023 – January 2024)
Algebra 2 (January – July 2024)
Mathematical Computing Tools (January – July 2023)
Algorithms and Data Structures 1 (September 2022 – January 2023)
Algorithms and Data Structures 2 (January – July 2023)
Python Programming (February – July 2022)

Assistant Professor (Maître Assistant B), April 2021 – April 2022

University of Science and Technology Houari Boumediene, Algiers

History of Mathematics, 1st-year Mathematics and Informatics students (April – October 2021)
Numerical Analysis, Faculty of Civil Engineering (April – October 2021)

Adjunct Lecturer / Teaching Assistant (Vacataire)

Linear Algebra, National School of Artificial Intelligence, Algiers (January – July 2024)
Algebra 1, National School of Mathematics, Algiers (October 2021 – February 2022)
Mathematics, Statistics and Informatics, Faculty of Nature and Life Sciences, University of Algiers 1 (September 2016 – February 2017; September 2017 – February 2018; September 2021 – February 2022)

Publications

Full details, links and BibTeX are on the Research page.

Published papers

Yahia Djemmada, Abdelghani Mehdaoui, László Németh, László Szalay. The Fibonacci-Fubini and Lucas-Fubini numbers. The Fibonacci Quarterly (2026).
Yahia Djemmada, Abdelghani Mehdaoui, László Németh, László Szalay. An identity for two sequences and its combinatorial interpretation. Annales Mathematicae et Informaticae, 60, 37–43 (2024).
Hacène Belbachir, Yahia Djemmada. The (l, r)-Stirling numbers: a combinatorial approach. Filomat, 37(8), 2587–2598 (2023).
Hacène Belbachir, Yahia Djemmada, László Németh. The deranged Bell numbers. Mathematica Slovaca, 73(4), 849–860 (2023).
Hacène Belbachir, Yahia Djemmada, Slimane Hadj-Brahim. Unified Bernoulli-Euler polynomials of Apostol type. Indian Journal of Pure and Applied Mathematics, 1–8 (2022).
Hacène Belbachir, Yahia Djemmada. On central Fubini-like numbers and polynomials. Miskolc Mathematical Notes, 22(1), 77–90 (2021).
Hacène Belbachir, Yahia Djemmada. Generalized geometric polynomials via Steffensen’s generalized factorials and Tanny’s operators. Indian Journal of Pure and Applied Mathematics, 51(4), 1713–1727 (2020).
Hacène Belbachir, Yahia Djemmada. Congruence for geometric polynomials. Les Annales RECITS, 6, 37–44 (2019).

Accepted papers

Hacène Belbachir, Yahia Djemmada. On Meštrović’s generalization of the Chu–Vandermonde identity. Filomat (2026), accepted.
Yahia Djemmada, Levent Kargın, Mümün Can. Partial Deranged Bell Numbers and Their Combinatorial Properties. Mediterranean Journal of Mathematics (2025), accepted.

Conferences & scientific activities

December 2025: Head of the Organizing Committee, National Conference on Number Theory and Its Interactions (NCNTI25), National Higher School of Mathematics, Algiers.
July 2024: Leader of the Benjamin exam, First Algerian Olympiad of Mathematics (ALMO24), Ministry of National Education, Algiers.
June – July 2024: Trainer and corrector, First Algerian Olympiad of Mathematics (ALMO24).
January 2024: Organizer, R Programming training days, USTHB, Algiers.
November 2023: Organizer & tutor, Python and SageMath training days, USTHB, Algiers.
November 2023: Speaker, Scientific Days of the Laboratory, USTHB: On the (l, r)-partitions and (l, r)-permutations numbers.
May 2023: Organizer & judge, COMPACT-2023, National Higher School of Mathematics, Algiers.
August 2021: Speaker, 10th International Eurasian Conference on Mathematical Sciences and Applications, Sakarya University, Turkey: On the total number of deranged partitions.
June 2021: Speaker, National Conference on Applied Mathematics and Didactics, ENS El Katiba Assia Djebar, Constantine: A combinatorial extension of the Stirling numbers.
May 2021: Speaker, 1st International Conference on Pure and Applied Mathematics, Kasdi Merbah University, Ouargla: The deranged Bell numbers.
February 2019: Speaker, international conference TAMTAM, Abou Bekr Belkaid University, Tlemcen: On central Fubini polynomials.
December 2018: Attended the first PhD students’ day Advanced technologies for electronic systems, sustainable energies, telecommunications, and signal/image processing, National School of Electronics and Telecommunications, Sfax, Tunisia.
September 2018: Organizer, Trees Structure in Theoretical Informatics and Enumerative Combinatorics Days, USTHB, Algiers.
April 2018: Speaker, Scientific Days of the Laboratory, USTHB: On a new Fubini-type polynomials.
February 2018: Speaker, Seminar of the Laboratory, USTHB: Une classe de polynômes de type Fubini.
May 2017: Speaker, Seminar of the Laboratory, USTHB: Quelques propriétés arithmétiques des polynômes de Fubini.
April 2017: Organizer, SageMath Days, USTHB, Algiers.
April 2017: Speaker, Scientific Days of the Laboratory, USTHB: Congruence for geometric polynomials.

Grants & awards

Award from the Minister of National Education (July 2024), for being part of the organizing team of the First Algerian Mathematical Olympiad (ALMO24).
PNE grant (December 2019 – February 2021), Exceptional National Program 2019–2020, for a research stay at Sopron University, Hungary.

Scientific visits

September 2025: Department of Mathematics and Computer Science “U. Dini” (DIMAI), University of Florence, Italy (two weeks)
February 2025: Akdeniz University, Antalya, Turkey (two weeks)
February 2024: Akdeniz University, Antalya, Turkey (two weeks)
February 2023: Sopron University, Hungary (two weeks)
December 2019 – February 2021: Sopron University, Hungary (14 months)
June – July 2019: Sfax University, Tunisia (one month)
November – December 2018: Sfax University, Tunisia (one month)

Research interests

Enumerative combinatorics: set partitions, special sequences, pattern enumeration, permutations
Analytic combinatorics: symbolic methods, generating functions, recurrences, asymptotics
Graph theory: algorithms, graph coloring problems, graph sequences

Skills

Languages: Arabic (mother tongue), English (very good), French (very good), German (basics)
Coding: Python, C & C++, MATLAB, Mathematica, SageMath, LaTeX
Web: HTML, CSS, JavaScript

References

Prof. Hacène Belbachir, Professor, University of Science and Technology Houari Boumediene, Algiers, Algeria
Prof. Ayhan Dil, Associate Professor, Department of Mathematics, Akdeniz University, Antalya, Turkey
Dr. László Németh, Dr. habil., Sopron University, Hungary

Contact details for references are in the PDF version.