Affiliation: | 1.Department of Mathematics, California State University Los Angeles, 5151 State University rive, Los Angeles, CA, 90032, USA ;2.Center of Operations Research, Miguel Hernández University of Elche, Elche, 03202, Alicante, Spain ;3.Department of Mathematics, University of Alicante, Alicante, 03071, Spain ;4.CIAO, Federation University, Ballarat, Australia ; |