Youssef N. Raffoul is Professor and Graduate Program Director at the University of Dayton. After receiving his Ph.D. in mathematics from Southern Illinois University, he joined the faculty at Tougaloo College in Mississippi, serving as department chair. Professor Raffoul has published over one hundred and sixty articles in prestigious journals in the area of functional differential, difference equations, and dynamical systems on time scales He is the recipient of the University of Dayton College of Arts and Sciences' Award for Outstanding Scholarship (twice), and the University of Dayton Alumni Award in Scholarship. He was honored by the Lebanese government with the Career in Science Award. The Archbishop of Lebanon awarded him the Lifetime Achievement Award. Most notably, and he is the recipient of the Order of Merit, Silver Medal with Distinction and awarded by the president of Lebanon, General Aoun.

1 Ordinary Differential Equations

2 Partial Differential Equations

3 Matrices and Systems of Linear Equations

4 Calculus of Variations

5 Integral Equations