Preserving Log-Convexity for Generalized Pascal Triangles. - Moussa Ahmia; Hacène Belbachir (Electron. J. Comb., 2012)

Preserving log-concavity for p, q-binomial coefficient. - Moussa Ahmia; Hacène Belbachir (Discret. Math. Algorithms Appl., 2019)

Global dominating broadcast in graphs. - Ibrahim Boufelgha; Moussa Ahmia (Discret. Math. Algorithms Appl., 2023)

The modular (r,s)-Stirling numbers of the first kind. - Bazeniar Abdelghafour; Moussa Ahmia (Discret. Math. Algorithms Appl., 2025)