Mohsen Razzaghi, a Fulbright scholar at the Department of Mathematics and Computer Science at the Technical University of Civil Engineering in Bucharest, was invited by Professor Cristian Marinoiu, Vice-Rector at the University of Ploiesti, to visit the University and present a seminar on his research. Dr. Razzaghi presented in Ploiesti a research talk entitled "Application of the operational matrices of fractional polynomial series to fractional differential equations”.