Changjin Xu graduated from Huaihua University, China, in 1994. He received the M. S. degree from Kunming University of Science and Technology in 2004 and the Ph.D. degree from Central South University, China, in 2010. He is currently a professor at the Guizhou Key Laboratory of Economics System Simulation at Guizhou University of Finance and Economics. He has published about 180 SCI journal papers. He is a Reviewer of Mathematical Reviews and Zentralbatt-Math. He is in the World’s Top 2% Scientists by Stanford University in the consecutive four years 2020, 2021, 2022, 2023. He is ranked in List of highly cited scholars in China in 2022. His research interests include nonlinear systems, neural networks, anti-periodic solution, stability and bifurcation theory. His H index is 32.