Three stage no-idle flow-shops
Computers and Industrial Engineering
Scheduling: Theory, Algorithms, and Systems
Scheduling: Theory, Algorithms, and Systems
A heuristic for minimizing the makespan in no-idle permutation flow shops
Computers and Industrial Engineering
Three-machine flowshop with two operations per job to minimize makespan
Computers and Industrial Engineering
A heuristic for minimizing the makespan in no-idle permutation flow shops
Computers and Industrial Engineering
Computers and Operations Research
A variable iterated greedy algorithm with differential evolution for solving no-idle flowshops
SIDE'12 Proceedings of the 2012 international conference on Swarm and Evolutionary Computation
Computers and Operations Research
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Recently in this journal Saadani, Guinet, and Moalla [Comput Ind Engng 44 (2003) 425] considered the NP-hard problem of minimizing the makespan in a three-machine no-idle flow shop. We identify a simple network representation of the makespan that provides a better insight into the problem, reveals a certain anomaly resulting from the no-idle condition, and leads to some dominance relations among the machines under which the problem becomes efficiently solvable. Extensions to m-machine no-idle flow shops are also included.