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In mathematical optimization, the push–relabel algorithm (alternatively, preflow–push algorithm) is an algorithm for computing maximum flows in a flow network. The name "push–relabel" comes from the two basic operations used in the algorithm. Throughout its execution, the algorithm maintains a "preflow" and gradually converts it into a maximum flow by…
History, Practical implementations & The generic push–relabel algorithm
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algorithm push relabel flow operation node time active operations nodes complexity gf maximum saturating admissible labeling label network function valid
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