Affiliation: | 1. Department of Mathematics, Faculty of Science, Cairo University, Giza, Egypt;2. Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia;3. Department of Mathematics, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt;4. Department of Basic Science, Institute of Information Technology, Modern Academy, Cairo, Egypt;1. Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia;2. Department of Mathematics, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt;3. Department of Mathematics, Faculty of Science for Girls, King Abdulaziz University, Jeddah, Saudi Arabia;4. Applied and Industrial Mathematics Research Group, School of Physical, Environmental and Mathematical Sciences, UNSW Canberra, ACT 2600, Australia;5. Department of Mathematical Sciences, Delaware State University, Dover, DE 19901-2277, USA;1. Department of Mathematics, Physics and Geology, Cape Breton University Sydney, NS, Canada, B1P 6L2;2. Department of Biology, Cape Breton University Sydney, NS, Canada, B1P 6L2;3. College of Science, Harbin Engineering University, Harbin 150001, PR China;1. Department of Mathematical Sciences, Delaware State University, Dover, DE 19901-2277, USA;2. Department of Mathematics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia;3. Department of Engineering Sciences, Faculty of Technology and Engineering, East of Guilan, University of Guilan, P.C. 44891-63157 Rudsar-Vajargah, Iran;4. Department of Mathematics, Faculty of Mathematical Sciences, University of Mazandaran, Babolsar, Iran;5. School of Electronics and Information Engineering, Wuhan Donghu University, Wuhan 430212, People’s Republic of China;6. Department of Mathematics, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt;7. Science Program, Texas A & M University at Qatar, P.O. Box 23874, Doha, Qatar |