| Affiliation: | 1. Department of Mathematics, Ningbo University, Zhejiang Province, China;2. Department of Mathematics, Universidade Federal do Ceará (UFC), Brazil;3. CAFR and School of Mathematics, Shanghai Jiao Tong University, Shanghai, 200240, China;4. Department of Mathematics, University of Iowa, IA, USA;1. Institute of Mathematics, Linköping University, SE-58183 Linköping, Sweden;2. Institute of Mathematics, University of Rostock, D-18051 Rostock, Germany;1. Guangxi Colleges and Universities Key Laboratory of Data Analysis and Computation, Guilin 541002, PR China;2. School of Mathematical Sciences, Fudan University, Shanghai 200433, PR China;3. School of Mathematics and Physics, Suzhou University of Science and Technology, Suzhou 215009, PR China;4. School of Mathematical Sciences, Soochow University, Suzhou 215009, PR China |
