Acta Scientiarum Naturalium Universitatis Sunyatseni ›› 2020, Vol. 59 ›› Issue (5): 1-18.doi: 10. 13471/j.cnki.acta.snus.2020.03.04.2020A009
CHEN Xiaojun1,CHEN Youming 2,Alimjon ESHMATOV 3,Farkhod ESHMATOV 4
1.School of Mathematics, Sichuan University, Chengdu 610064, China;
2.School of Science, Chongqing University of Technology, Chongqing 400054, China;
3.Department of Mathematics and Statistics, University of Toledo, Toledo OH 43606, USA; 4.Beijing Advanced Innovation Center for Imaging Theory and Technology, Capital Normal University, Beijing 100048, China