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The computational complexity of the criticality problems in a network with interval activity times. (English) Zbl 1008.90029
Summary: The paper analyzes the criticality in a network with interval activities duration times. A natural generalization of the criticality notion (for a path, an activity and an event) for the case of network with interval activity duration times is given. The computation complexity of five problems linked to the introduced criticality notion is presented.

MSC:
90B50 Management decision making, including multiple objectives
90B35 Deterministic scheduling theory in operations research
65Y20 Complexity and performance of numerical algorithms
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