Communications - Scientific Letters of the University of Zilina 2016, 18(11):55-58 | DOI: 10.26552/com.C.2016.1A.55-58
Uniform Workload Distribution Problems
- 1 Department of Mathematical Methods and Operations Research, Faculty of Management Science and Informatics, University of Zilina, Slovakia
- 2 Department of Exact Methods, Faculty of Management, University of Economics, Prague, Czech Republic
In this paper we review common studies from the years 1984-2015 of problems occurring in uniform scheduling of workload distributions. These problems were formulated first by Pesko in dealing with the practical problem of regular scheduling of service vehicles. Given the nonnegative, real matrix with daily records of vehicles as columns, we need to minimize some irregularity measure of row sums (workloads) by permuting matrix columns. The problem has various practical modifications, such as the weighted rows of matrix, workload uncertainty variance, graph approach of exchange of elements and generalized inverse formulations. Some of them are presented in the paper.
Keywords: regular scheduling; matrix permutation; irregularity measure; NP-hard problem
Published: March 31, 2016 Show citation
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