Prof. (Dr.) Yongguang Yu received an M.S. degree in 2001 from the Department of Mathematical Science, Inner Mongolia University, China, and a Ph.D. degree in 2004 from the Institute of Applied Mathematics, Academy of Mathematics and System Sciences, Chinese Academy of Sciences, China. From 2007 to 2009, he was a research fellow at City University of Hong Kong, China. Since 2010, he has been a professor with the School of Mathematics and Statistics, Beijing Jiaotong University, China. His research interests include stochastic differential equations, fractional-order calculus, chaotic dynamics, and complex networks.