Prof. Dr. Ali Akgülis working as a Professor of Mathematics at Siirt University, Art and Science Faculty, Department of Mathematics, Turkey. His research areas include Fractional Differential Equations, Numerical Methods, Partial Differential Equations, Mathematical Modeling and Functional Analysis.

A/Prof Abadi currently works at the Mathematics Department, Universitas Negeri Surabaya. Abadi does research in Mathematics Education and Applied Mathematics. His Research interest are Stability Analysis, Vibrations, Numerical Simulation, Bifurcation Analysis, Professional Development, Mathematics Education, Nonlinear Dynamics, Pedagogy, Mathematical Modelling, Modeling and Simulation.