Qassim University-Sohag University | Saudi Arabia
Assoc. Prof. Dr. Hasanen A. Hammad is a distinguished mathematician specializing in Functional Analysis, currently serving at the Department of Mathematics, Sohag University, Egypt, and the College of Science and Arts, Qassim University, Saudi Arabia. He earned his Ph.D. (2018), M.Sc. (2015), and B.Sc. (2010, with honors) in Mathematics from Sohag University. With a prolific academic record, Dr. Hammad has published 149 research papers, accumulating 1,157 citations and achieving an h-index of 29 (Scopus). His research focuses on fixed point theory, fractional calculus, differential equations, variational inequalities, and nonlinear functional analysis, contributing significantly to the advancement of mathematical modeling and its applications. He actively serves as a reviewer and editor for prestigious journals, including AIMS Mathematics, Mathematics, Fractal and Fractional, and Journal of Computational and Applied Mathematics. Dr. Hammad has supervised and evaluated doctoral and master’s theses, and his recent works explore advanced fractional differential systems and stability analysis techniques. Recognized for his dedication to scientific excellence and peer review, he continues to foster international collaborations and mentor young researchers. His contributions underscore his commitment to innovation and the practical impact of mathematical sciences in solving complex theoretical and applied problems.
Profiles : Orcid | Scopus | Google Scholar
Featured Publications
Hammad, H.A., Aboelenen, T., & Abdalla, M.E.M. (2025). Optimal control and controllability theorems for impulsive Hilfer fractional integro-differential inclusions with numerical applications. Ain Shams Engineering Journal.
Hammad, H.A. & De la Sen, M. (2025). Existence and stability analysis of fractional differential quasi-variational inequalities with illustrative applications. Advances in Continuous and Discrete Models.
Hammad, H.A., Liu, Z., & Abdalla, M.E.M. (2025). Existence and stability results of f-Caputo modified proportional fractional delay differential systems with boundary conditions. Boundary Value Problems.
Hammad, H.A., Dafaalla, M.E., & Abdalla, M.E.M. (2025). Creating a novel algorithm for studying the strong convergence to a sequence with applications. PLOS ONE.
Hammad, H.A., Abdeljawad, T., & De la Sen, M. (2025). Solving nonlinear fractional equations and some related integral equations under a measure of noncompactness. Computational and Applied Mathematics.