Slowing down sorting networks to obtain faster sorting algorithms
Journal of the ACM (JACM)
Finite dominating sets for network location problems
Operations Research
Applying Parallel Computation Algorithms in the Design of Serial Algorithms
Journal of the ACM (JACM)
Improved algorithms for several network location problems with equality measures
Discrete Applied Mathematics
Algorithmic results for ordered median problems
Operations Research Letters
Minimizing ordered weighted averaging of rational functions with applications to continuous location
Computers and Operations Research
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In this paper, the concept of the ordered weighted averaging operator is applied to define a model which unifies and generalizes several inequality measures. For a location x, the value of the new objective function is the ordered weighted average of the absolute deviations from the average distance from the facilities to the location x. Several kinds of networks are studied: cyclic, tree and path networks and, for each of them, the properties of the objective function are analyzed in order to identify a finite dominating set for optimal locations. Polynomial-time algorithms are proposed for these problems, and the corresponding complexity is discussed.