Affiliation: | 1. School of Mathematical Sciences, Fudan University, Shanghai 200433, PR China;2. College of Science, University of Shanghai for Science and Technology, Shanghai 200093, PR China;1. College of Science, University of Shanghai for Science and Technology, Shanghai 200093, People''s Republic of China;2. School of Mathematical Sciences, Institute of Mathematics and Key Laboratory of Mathematics for Nonlinear Science, Fudan University, Shanghai 200433, People''s Republic of China;3. Department of Mathematics, University of Macau, Macau, People''s Republic of China;1. Institute of Applied Physics and Computational Mathematics, Beijing 100088, PR China;2. The Graduate School of China Academy of Engineering Physics, Beijing 100088, PR China;3. College of Science, Minzu University of China, Beijing 100081, PR China |