1. School of Science, Chongqing University of Posts and Telecommunications, Chongqing 430065, China
2. Department of Physics, Lanzhou University of Technology, Lanzhou 730050, China
3. NAAM-Research Group, Department of Mathematics, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
4. College of Mechano-Electronic Engineering, Lanzhou University of Technology, Lanzhou 730050, China
5. Department of Mathematics, Quaid-I-Azam University 45320, Islamabad 44000, Pakistan