Ehrgott, Matthias; Nickel, Stefan - In: Mathematical Methods of Operations Research 55 (2002) 3, pp. 329-345
In this paper we address the question of how many objective functions are needed to decide whether a given point is a Pareto optimal solution for a multicriteria optimization problem. We extend earlier results showing that the set of weakly Pareto optimal points is the union of Pareto optimal...