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Fairness of seat allocation methods in proportional representation
(Operations Research Society of South Africa, 2005)
ENGLISH SUMMARY : In this paper the fairness of some methods of allocating seats in a proportional representation (PR) voting system is investigated. Different PR systems are in use throughout the democratic world, but ...
Selection and scheduling of jobs with time-dependent duration
(Operations Research Society of South Africa, 2007)
ENGLISH SUMMARY : In this paper two mathematical programming models, both with multiple objective functions, are proposed to solve four related categories of job scheduling problems. All four of these categories have the ...