作者: Hong Qin

Kai-Tai Fang is a professor at the BNU-HKBU United International college and is a research professor at the Institute of Applied Mathematics, Chinese Academy of Sciences, Beijing, China. Min-Qian Liu is a professor at the Institute of Statistics, Nankai University, Tianjin, China Hong Qin is a professor at the Faculty of Mathematics and Statistics, Central China Normal University, Wuhan, China Yong-Dao Zhou is a professor at the Institute of Statistics, Nankai University, Tianjin, China