Matricial characterization of tournaments with maximum number of diamonds. - Wiam Belkouche; Abderrahim Boussaïri; Soufiane Lakhlifi; Mohamed Zaidi (Discret. Math., 2020)

simplicity index of tournaments. - Abderrahim Boussaïri; Soufiane Lakhlifi; Imane Talbaoui (Contributions Discret. Math., 2022)

Skew-adjacency matrices of tournaments with bounded principal minors. - Abderrahim Boussaïri; Sara Ezzahir; Soufiane Lakhlifi; Soukaïna Mahzoum (Discret. Math., 2023)

When a Decomposable Tournament is -1,3-Reconstructible? - Pierre Ille; Soufiane Lakhlifi (Graphs Comb., 2025)

Diamonds and 4-uniform hypergraphs. - Wiam Belkouche; Abderrahim Boussaïri; Soufiane Lakhlifi (Graphs Comb., 2025)