1. Research Center for Complex Systems and Network Sciences, School of MathematicsSoutheast University Nanjing China
2. School of EducationXizang Minzu University Xianyang China
3. Department of Mathematics, Faculty of ScienceKing Abdulaziz University Jeddah Saudi Arabia
4. Department of Electrical and Computer Engineering, Faculty of EngineeringKing Abdulaziz University Jeddah Saudi Arabia