Affiliation: | 1. Department of Mathematics, Shanghai Normal University, Shanghai 200234, China;2. Scientific Computing Key Laboratory of Shanghai Universities, China;3. College of Management, Yuan-Ze University, Chung-Li City, Taoyuan Hsien, 33026, Taiwan;4. Department of Mathematics, Shanghai Normal University, Shanghai 200234, China;5. Center for General Education, Kaohsiung Medical University, Kaohsiung, 807, Taiwan |