Pareto Optima of Multicriteria Integer Linear Programs
Jesús A. De Loera, Raymond Hemmecke, Matthias Köppe
INFORMS Journal on Computing · 2009 · Volume 21 · Issue 1
Abstract
We settle the computational complexity of fundamental questions related to multicriteria integer linear programs, when the dimensions of the strategy space and of the outcome space are considered fixed constants. In particular we construct: (1) polynomial-time algorithms to determine exactly the number of Pareto optima and Pareto strategies; (2) a polynomial-space polynomial-delay prescribed-order enumeration algorithm for arbitrary projections of the Pareto set; (3) a polynomial-time algorithm to minimize the distance of a Pareto optimum from a prescribed comparison point with respect to arbitrary polyhedral norms; and (4) a fully polynomial-time approximation scheme for the problem of minimizing the distance of a Pareto optimum from a prescribed comparison point with respect to the Euclidean norm.
Keywords
integer programming, multicriteria programming, analysis of algorithms, computational complexity, mathematics, combinatorics
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