1. College of Mathematics and Physics, Guangxi Key Laboratory of Hybrid Computation and IC Design Analysis, Center for Applied Mathematics and Artificial Intelligence, Guangxi University of Nationalities, Nanning, People's Republic of China
2. College of Mathematics and Information Science, Guangxi University, Nanning, People's Republic of China
3. School of Mathematics and Computation Science, Guilin University of Electronic and Technology, Guilin, People's Republic of China