Affiliation: | 1.Department of Mathematics, Alagappa University, Karaikudi, 630 004, India ;2.Ramanujan Centre for Higher Mathematics, Alagappa University, Karaikudi, 630 004, India ;3.Department of Mathematics and General Sciences, Prince Sultan University, Riyadh, 12435, Saudi Arabia ;4.Department of Industrial Engineering, OST?M Technical University, Ankara, 06374, Turkey ;5.School of Mathematics and Statistics, Hunan Normal University, Hunan, 410081, People’s Republic of China ;6.Department of Automatic Control and Robotics, Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, Akademicka 16, Gliwice, 44-100, Poland ;7.Department of Electronics, Computing and Mathematics, University of Derby, Derby, UK ; |