1. College of Mathematics and Systems Science Shandong University of Science and Technology Qingdao 266590 PR China
2. Nonlinear Analysis and Applied Mathematics (NAAM)‐Research Group, Department of Mathematics King Abdulaziz University Jeddah 21589 Saudi Arabia
3. Department of Mathematics Quaid‐i‐Azam University 45320 Isamabad 44000 Pakistan