A novel integer linear programming model for routing and spectrum assignment in optical networks. - Youssouf Hadhbi; Hervé Kerivin; Annegret Wagler (FedCSIS, 2019)

The Constrained-Routing and Spectrum Assignment Problem: Extended Formulation and Branch-and-Cut-and-Price Algorithm. - Ibrahima Diarrassouba; Youssouf Hadhbi; Ali Ridha Mahjoub (CoDIT, 2022)

The Constrained-Routing and Spectrum Assignment Problem: Valid Inequalities and Branch-and-Cut Algorithm. - Ibrahima Diarrassouba; Youssouf Hadhbi (ISCO, 2022)

The Constrained-Routing and Spectrum Assignment Problem : Polyhedral Analysis and Algorithms. (Problème du Routage Contraint et Assignation Spectrale : Étude Polyédrale et Algorithmes). - Youssouf Hadhbi (2022)

Improved Formulations and Branch-and-Cut Algorithm for the Unrelated Parallel Machines Scheduling Problem with a Common Server and Job-Sequence Dependent Setup Times. - Youssouf Hadhbi; Laurent Deroussi; Nathalie Grangeon; Sylvie Norre (CoDIT, 2023)

Branch-and-cut-and-price algorithm for the constrained-routing and spectrum assignment problem. - Ibrahima Diarrassouba; Youssouf Hadhbi; Ali Ridha Mahjoub (J. Comb. Optim., 2024)

Models and Algorithms for the Optimization of Multi-Period Fiber Wholesale Investments Strategies. - Youssouf Hadhbi; Aurélien Bechler; Matthieu Chardy (ICORES, 2025)

Extended formulation and Branch-and-Cut-and-Price algorithm for the two connected subgraph problem with disjunctive constraints. - Fatmah Almathkour; Ibrahima Diarrassouba; Youssouf Hadhbi (Ann. Oper. Res., 2025)