Institution: | 1. School of Mathematics and Information Science, Nanchang Hangkong University, Nanchang 330063, PR China;2. School of Mathematics and Statistics, Huazhong University of Science and Technology, Wuhan 430074, PR China;3. Hubei Key Laboratory of Engineering Modeling and Scientific Computing, Huazhong University of Science and Technology, Wuhan 430074, PR China |