Institution: | Lihua Chen (Dept. of Math. and Computer Science, Fuqing Branch of Fujian Normal University, Fuqing 350300, Fujian) Zhaohui Wen (Institute of Applied Math., School of Statistics and Applied Mathematics, Anhui University of Finance and Economics, Bengbu 233030, Anhui) Cheng Ouyang (Faculty of Science, Huzhou Teacher College, Huzhou 313000, Zhejiang) Jiaqi Mo (Dept. of Math., Anhui Normal University, Wuhu 241003, Anhui) |