LAMDA-RO Laboratory

Laboratory of Discrete and Applied Mathematics and Operations Research

Advancing mathematical research and applications at Saad Dahlab Blida 1 University

38+
Researchers
6
Research Teams

38+ Researchers

Dedicated team of mathematicians and doctoral students

6 Research Teams

Specialized in various mathematical domains

26+ Doctoral Students

Active PhD candidates in cutting-edge research

Join Our Community

Become a member and contribute to cutting-edge research

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Join LAMDA-RO

Become part of our research community and contribute to cutting-edge mathematical research

Why Join LAMDA-RO?

As a member of LAMDA-RO, you'll join a vibrant research community dedicated to advancing mathematical knowledge and applications. Our laboratory offers numerous benefits and opportunities for professional growth.

Collaborative Research Environment

Work with leading researchers across various mathematical disciplines in a collaborative and supportive environment.

Publication & Conference Support

Access support for publishing in high-impact journals and presenting at national and international conferences.

Research Resources

Gain access to specialized software, computational resources, and research facilities for your projects.

Membership Categories

Student Member

For undergraduate and graduate students pursuing degrees in mathematics or related fields.

  • Access to research seminars
  • Mentorship opportunities
  • Student research grants
Regular Member

For researchers with a master's degree or higher who are actively engaged in mathematical research.

  • Lead research projects
  • Supervise student research
  • Voting rights in laboratory decisions
Associate Member

For professionals from industry or other disciplines who collaborate with LAMDA-RO on applied research.

  • Collaborate on applied research
  • Access to academic resources
  • Joint publication opportunities

Latest News

Stay updated with our latest achievements, events, and research developments

New Members December 2025
Welcome to New Laboratory Members

LAMDA-RO welcomes four new researchers to our team: Prof. Mohammed Hachama, Dr. Abdel Hakim Dhamnia, Dr. Saida Arriche, and Dr. Kamel Bensassa, strengthening our research capabilities across multiple teams.

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Research March 15, 2025
New Publication in Computational Mathematics

Prof. Chellali, in collaboration with an international team of researchers, published groundbreaking research on total restrained coalitions in graphs in Computational and Applied Mathematics.

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Membership November 11-13, 2025
Founding Member of Algerian Society for Industrial and Applied Mathematics

The head of LAMDA-RO laboratory participated as a founding member in the first Algerian Society for Industrial and Applied Mathematics (ASIAM) held in conjunction with CITOMA5 conference in ElOued, Algeria.

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Research Areas

Our laboratory focuses on cutting-edge research in multiple mathematical domains

Mathematical Analysis

Nonlinear differential equations, functional analysis, fractional calculus, and operator theory.

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Graph Theory

Domination, coloring, kernels in digraphs, and combinatorial optimization.

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Operations Research

Queueing systems, performance evaluation, modeling, and simulation.

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Statistics & Probability

Extreme value theory, risk measures, time series, and statistical modeling.

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Algebra & Number Theory

Elementary number theory, abstract algebra, Witt rings, and combinatorics.

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Fractional Calculus

Fractional operators, differential equations, and interdisciplinary applications.

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Our Research Teams

Specialized teams working across various mathematical domains

AMA

Mathematical Analysis and Applications

Focus on PDEs, functional analysis, and numerical methods.

Leader: BOUDJEMAA Redouane

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TGOC

Graph Theory and Combinatorial Optimization

Research in graph theory, domination, coloring, and optimization.

Leader: Chellali Mustapha

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MEP

Modeling and Performance Evaluation

Focus on queuing systems, simulation, and reliability.

Leader: Oukid Nadia

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ATN

Algebra and Number Theory

Research in prime numbers, arithmetic functions, and abstract algebra.

Leader: BERKANE Djamel

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STA

Theoretical and Applied Statistics

Focus on extreme value theory, risk measures, and statistical modeling.

Leader: RASSOUL Abdelaziz

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CAF

Fractional Calculus

Research in fractional operators, equations, and applications.

Leader: DAHMANI Zoubir

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Recent Publications

Latest research contributions from our laboratory members

2026 M. Chellali, H. Golmohammadi, N.A. Matrokhin, I.I. Takhonov, J.C. Valenzuela-Tripodoro, Total restrained coalitions in graphs. Computational and Applied Mathematics 45 (2026) Article : 50.
2026 S. Soltani, H. Abdollahzadeh Ahangar, M. Chellali, H. Rahbani and S.M. Sheikholeslami, On weak double Roman domination in graphs. Discrete Applied Mathematics 378 (2026) 307–315.
2025 M. Chellali, S.T. Hedetniemi, N. Meddah, Minority sets in graphs. Aequationes Mathematicae 99 (2025) 1935–1954.
2025 M. Chellali, T.W. Haynes, S.T. Hedetniemi, N. Meddah, Bounds on the k-conversion number. Discussiones Mathematicae Graph Theory 45 (2025) 857–871.
2025 S. Kerdjoudj, M. Chellali, A note on the independent bondage number of planar graphs. Filomat 39 (13) (2025) 4523–4529.
2025 Z. Dahmani, I. Jebril, New Results on Singularly Perturbed Fractional KdV and KdV-Burgers Equations. Journal of Prime Research in Mathematics.
2025 O. Benhamida, Z. Dahmani, R.W. Ibrahim, EXTREMAL AND CONTINUA SOLUTIONS FOR STOCHASTIC FRACTIONAL DIFFERENTIAL EQUATIONS. Journal of Mathematical Sciences.
2025 Z. Dahmani, M.Z. Sarikaya, New (𝛼, 𝛽)-order pre-Grüss fractional integral inequalities and applications for CRV. Filomat.
2025 A. Omar, A. Bouchou, Notes on double Roman domination edge critical graphs. RAIRO-Operations Research.
2025 T. Salah, R. Abdelaziz, O.R. Hamid, A New Robust Estimation and Hypothesis Testing for Reinsurance Premiums in Big Data Settings. Statistics, Optimization & ...
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