Affiliation: | aDepartment of Mathematics, University of Groningen, P.O. Box 800, 9700 AV Groningen, The Netherlands bDepartment of Electronics and Communication Engineering, Dogus University, Acibadem 34722, Istanbul, Turkey cDepartment of Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands dDepartment of Econometrics and Operations Research, Tilburg University, P.O. Box 90153, 5000 LE Tilburg, The Netherlands |