The µc-rule is not optimal in the second node of the tandem queue: a counterexample
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In this note we give a counterexample which shows that the µc-rule is not optimal in the second node of the tandem queue. This counterexample contradicts the interchange argument in Nain [1] and Nain et al. [2].
[1] J. Walrand,et al. Interchange arguments in stochastic scheduling , 1989 .
[2] P. Nain,et al. Interchange arguments for classical scheduling problems in queues , 1989 .
[3] E. J. Collins,et al. THE JOB SEARCH PROBLEM AS AN EMPLOYER-CANDIDATE GAME , 1990 .