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- W3209619576 abstract "A polyhedral convex set optimization problem is given by a set-valued objective mapping from the $n$-dimensional to the $q$-dimensional Euclidean space whose graph is a convex polyhedron. This problem can be seen as the most elementary subclass of set optimization problems, comparable to linear programming in the framework of optimization with scalar-valued objective function. Polyhedral convex set optimization generalizes both scalar and multi-objective (or vector) linear programming. In contrast to scalar linear programming but likewise to multi-objective linear programming, unbounded problems can indeed have minimizers and provide a rich class of problem instances. In this paper we extend the concept of finite infimizers from multi-objective linear programming to not necessarily bounded polyhedral convex set optimization problems. We show that finite infimizers can be obtained from finite infimizers of a reformulation of the polyhedral convex set optimization problem into a vector linear program. We also discuss two natural extensions of solution concepts based on the complete lattice approach. Surprisingly, the attempt to generalize the solution procedure for bounded polyhedral convex set optimization problems introduced in [A. Lohne and C. Schrage. An algorithm to solve polyhedral convex set optimization problems. Optimization 62(1):131--141, 2013.] to the case of not necessarily bounded problems uncovers some problems, which will be discussed." @default.
- W3209619576 created "2021-11-08" @default.
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- W3209619576 date "2021-11-03" @default.
- W3209619576 modified "2023-10-09" @default.
- W3209619576 title "On unbounded polyhedral convex set optimization problems." @default.
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