Affiliation: | 1. College of Electronic and Information Engineering, Southwest University, Chongqing 400715, PR China;2. Chongqing Key Laboratory of Nonlinear Circuits and Intelligent Information Processing, Southwest University, Chongqing 400715, PR China;1. School of Mathematics and Statistics, Shandong Normal University, Ji’nan 250014, PR China;2. Department of Mathematics, Hangzhou Normal University, Hangzhou, Zhejiang 310036, PR China;3. Department of Mathematics, Bharathiar University, Coimbatore, Tamilnadu 641046, India;1. College of Science, Hunan University of Technology, Zhuzhou 412000, Hunan, P. R. China;2. Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, P. R. China;3. The Mork Family Department of Chemical Engineering and Materials Science, Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90089 USA |