1. Department of Applied Mathematics, The Hong Kong Polytechnic University, Hong Kong.
2. Corresponding author. Research Center for Mathematics, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai, 519087, People’s Republic of China, and Guangdong Provincial Key Laboratory of Interdisciplinary Research and Application for Data Science, BNU-HKBU United International College, Zhuhai, 519087, People’s Republic of China.
3. Guangdong Provincial Key Laboratory of Interdisciplinary Research and Application for Data Science, BNU-HKBU United International College, Zhuhai, 519087, People’s Republic of China, and Hong Kong Baptist University, Hong Kong.