Hybrid gradient simulated annealing algorithm for finding the global optimal of a nonlinear unconstrained optimization problem. - Mahmoud El-Alem; Abdallah W. Aboutahoun; Salem Mahdi (Soft Comput., 2021)

Efficient Modified Meta-Heuristic Technique for Unconstrained Optimization Problems. - Khalid Abdulaziz Alnowibet; Ahmad M. Alshamrani; Adel Fahad Alrasheedi; Salem Mahdi; Mahmoud El-Alem; Abdallah W. Aboutahoun; Ali Wagdy Mohamed (Axioms, 2022)

A Family of Developed Hybrid Four-Term Conjugate Gradient Algorithms for Unconstrained Optimization with Applications in Image Restoration. - Eltiyeb Ali; Salem Mahdi (Symmetry, 2023)