1. Department of Mathematics, School of Engineering and Technology, Dhanalakshmi Srinivasan University, Samayapuram 621112, Tamil Nadu, India
2. Centre for Nonlinear Systems, Chennai Institute of Technology, Chennai 600069, Tamil Nadu, India
3. Department of Statistics and Operations Research, College of Sciences, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
4. Departments of mathematics, MODAL’X UMR9023, UFR SEGMI, BAT G, 200, Ave de la Republique, University of Paris Nanterre, 92000 Nanterre, France