Institution: | 1.School of Statistics, Jiangxi University of Finance and Economics, Nanchang, 330013, China ;2.School of Mathematical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, China ;3.Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, 100190, China ;4.School of Science, Minzu University of China, Beijing, 100081, China ;5.School of Statistics and Mathematics, Zhongnan University of Economics and Law, Wuhan, 430073, China ; |