Affiliation: | 1. BNU-HKBU United International College, Zhuhai 519085, China;2. Department of Statistics, School of Mathematical Sciences and LPMC, Nankai University, Tianjin 300071, China;3. Institute of Applied Mathematics, Chinese Academy of Sciences, Beijing 100190, China;4. Department of Mathematics, Computer Science and Statistics Bloomsburg University, Bloomsburg 17815, USA |