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Christos Koulamas

Researcher at Florida International University

Publications -  135
Citations -  2827

Christos Koulamas is an academic researcher from Florida International University. The author has contributed to research in topics: Job shop scheduling & Flow shop scheduling. The author has an hindex of 24, co-authored 131 publications receiving 2597 citations. Previous affiliations of Christos Koulamas include College of Business Administration & International University, Cambodia.

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The total tardiness problem: review and extensions

TL;DR: A unified framework for the total tardiness problem is provided by surveying the related literature in the single-machine, parallel machine, flowshop and jobshop settings and proposing new heuristics for both thesingle-machine and the parallel-machine tardness problems.
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A survey of simulated annealing applications to operations research problems

TL;DR: This paper surveys the application of simulated annealing (SA) to operations research (OR) problems and concludes that SA is quite appropriate when the alternative solution method is based on enumeration.
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Single-machine and two-machine flowshop scheduling with general learning functions

TL;DR: It is shown that the O( n log n) shortest processing time (SPT) sequence is optimal for the single-machine makespan and total completion time minimization problems when learning is expressed as a function of the sum of the processing times of the already processed jobs.
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A new constructive heuristic for the flowshop scheduling problem

TL;DR: Computational experiments indicate that HFC performs as well as NEH which is the currently best available constructive heuristic on problems where a permutation schedule is expected to be optimal, however, HFC outperforms NEH on problemsWhere a non-permutation schedule may be optimal.
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Single-machine scheduling problems with past-sequence-dependent setup times

TL;DR: It is shown that the standard single-machine scheduling problem with p-s-d setup times and any of the above objective functions can be solved in O(nlog n) time (where n is the number of jobs) by a sorting procedure.