Affiliation: | 1.Department of Mathematics, University of The Bahamas, Nassau, Bahamas ;2.Department of Natural Sciences, Hawaii Pacific University, Kaneohe, HI, 96744, USA ;3.Department of Engineering, Hawaii Pacific University, Honolulu, HI, 96813, USA ;4.Department of Physics and Astronomy, Washington State University, Pullman, WA, 99164, USA ; |