1. School of Mathematics and Statistics Central South University Changsha China
2. Department of Mathematics, Faculty of Science Yusuf Maitama Sule University Kano Nigeria
3. Research Center for Mathematics Beijing Normal University Zhuhai, Zhuhai 519087 China
4. Guangdong Provincial Key Laboratory of Interdisciplinary Research and Application for Data Science BNU‐HKBU United International College Zhuhai 519087 China