Erdal Karapinar, Ph.D., is a Professor in the Department of Mathematics at Cankaya University and Visiting Professor at the China Medical University of Taichung. He completed his Ph.D. at the Middle East Technical University (METU), Turkiye, in 2004. He has written more than 400 research articles in peer reviewed journals. His research interests include functional analysis and metric fixed point theory.

Mouffak Benchohra, Ph.D., is a Full Professor in the department of mathematics at Djillali Liabes University of Sidi Bel Abbes. Benchohra received a master's degree in Nonlinear Analysis from Tlemcen University, and a Ph.D. in Mathematics from Djillali Liabes University, Sidi Bel Abbes. His research fields include fractional differential equations, evolution equations and inclusions, and control theory and applications. Benchohra has published more than 500 papers and five monographs. Benchohra has also occupied the position of head of department of mathematics at Djillali Liabes University, Sidi Bel Abbes. He is on the Editorial Board of 10 international journals.

Jamal Eddine Lazreg, Ph.D., is a Full Professor at the department of mathematics, Djillali Liabes University of Sidi Bel Abbes. Lazreg received a master's degree in functional analysis from Djillali Liabes University, and a Ph.D. in differential equations from Djillali Liabes University of Sidi Bel Abbes. His research fields include fractional differential equations and inclusions.

Abdelkrim Salim, Ph.D., is an Associate Professor at the faculty of Technology, Hassiba Benbouali University of Chlef. Salim received a master's degree in functional analysis and differential equations from Djillali Liabès University and a Ph.D. in mathematical analysis and applications from Djillali Liabes University of Sidi Bel Abbes. His research fields include fractional differential equations and inclusions, and control theory and applications.