Affiliation: | (1) Department of Applied Mathematics, Zhejiang University, Hangzhou 310027, China (E-mail: chensp@gzu.edu.cn; amalsh@zjuem.zju.edu.cn; wuxw@boshi.com.cn), CN;(2) Department of Applied Mathematics, Southeast University, Nanjing 210096, China (E-mail: cli@seu.edu.cn), CN |