Prof. JinRong Wang has been a Professor of the Department of Mathematics at the School of Mathematics and Statistics at Guizhou University, People’s Republic of China since 2011. He received his master’s degree from Guizhou University in 2006 and PhD from the same university in 2009. He is interested in impulsive differential equations, fractional differential equations, delay differential equations and iterative learning controls. He was recognized as a Highly Cited Researcher in Mathematics in the period of 2015 to 2018. Professor Michal Feckan works at the Department of Mathematical Analysis and Numerical Mathematics at the Faculty of Mathematics, Physics, and Informatics at Comenius University. He specializes in nonlinear functional analysis, and dynamic systems and their applications. There is much interest in his contribution to the analysis of solutions of equations with fractional derivatives. Feckan has written several scientific monographs that have been published at top international publishing houses Mengmeng Li is a Lecturer at Guizhou University in China.