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Mixed-Integer Second-Order Cone Programming Reformulations of a Fractional 0-1 Program for Task Assignment

Authors: Murat GÜNGÖR;

Mixed-Integer Second-Order Cone Programming Reformulations of a Fractional 0-1 Program for Task Assignment

Abstract

Fractional 0-1 programming is a subfield of nonlinear integer optimization in which the objective is to optimize the sum of ratios of affine functions subject to a set of linear constraints. It is well-known that fractional 0-1 programs can be formulated as mixed-integer linear programs. Recently, several alternative mixed-integer second-order cone programming reformulations have been proposed for fractional 0-1 programs. These reformulations, which can be solved directly by standard commercial solvers, have been reported to be efficient for certain types of problems. In this paper, we consider a task assignment problem with respect to preferences, where the objective is to maximize total weighted satisfaction while maintaining a fair distribution. The problem’s mathematical model turns out to be a fractional 0-1 program. We investigate three mixed-integer second-order cone programming reformulations thereof, and we compare, by means of a computational study, the performance of these reformulations with a benchmark mixed-integer linear programming formulation that was proposed and analyzed in the literature before. The latter, namely the mixed-integer linear programming formulation, turns out to be significantly better for the problem in question.

Country
Turkey
Keywords

Endüstri Mühendisliği, mixed-integer second-order cone programming, hiperbolik 0-1 programlama, kısmi tam sayılı ikinci mertebeden koni programlama, kesirli 0-1 programlama, kısmi tam sayılı konik karesel programlama, tercihler, fractional 0-1 programming;hyperbolic 0-1 programming;mixed-integer conic quadratic programming;mixed-integer second-order cone programming;task assignment;preferences, fractional 0-1 programming, Industrial Engineering, kesirli 0-1 programlama;hiperbolik 0-1 programlama;kısmi tam sayılı konik karesel programlama;kısmi tam sayılı ikinci mertebeden koni programlama;iş atama;tercihler, task assignment, mixed-integer conic quadratic programming, preferences, iş atama, hyperbolic 0-1 programming

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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