1. Department of Mathematics, Faculty of Science, Suez University, Suez 1444, Egypt
2. Department of Mathematics, Faculty of Science, Fayoum University, Fayoum 63514, Egypt
3. Department of Mathematics, Rustaq College of Education, Rustaq 10, Oman
4. Centre for Theoretical Physics, The British University in Egypt (BUE), El-Shorouk City 43, Cairo, Egypt
5. Department of Physics, Faculty of Science, Port Said University, Port Said 42521, Egypt