A convenient notation for theoretic scheduling problems was introduced by Ronald Graham, Eugene Lawler, Jan Karel Lenstra and Alexander Rinnooy Kan in. It consists of three fields: α, β and γ.
Each field may be a comma separated list of words. The α field describes the machine environment, β the job characteristics, and γ the objective function.
Read more about Notation For Theoretic Scheduling Problems: Job Characteristics, Objective Functions, Examples, References
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