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Pseudoflow/Evidence
Method evidence record

Pseudoflow

The Pseudoflow Algorithm, developed by Dorit Hochbaum in 1992, is a polynomial-time algorithm for computing maximum weighted closures in directed acyclic graphs. In mining, it solves the ultimate pit limit problem more efficiently than earlier methods. By maintaining feasible pseudoflows and iteratively eliminating negative-cost nodes, it achieves near-optimal practical performance even on industrial-scale block models.

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Source record

Citations copied verbatim from the method’s source record. No claim-level verification is inferred from them.

Pseudoflow Algorithm for Maximum Weighted Closure
Taxonomic method record · process-pipeline / mining-engineering
  • Hochbaum, D. S. (1992). A new-old algorithm for minimum-cut and maximum-flow problems. Journal of the ACM, 1(1), 76-109. · URL
  • Hochbaum, D. S. (2001). A fast algorithms for mining and metallurgical pits optimization. SIAM Journal on Computing, 30(4), 1096-1117. · URL
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Related methods

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Same method familyCut-off Grade (Lane)machine-suggested · Relational suggestion, not evidence.Same method familyLerchs-Grossmann Algorithmmachine-suggested · Relational suggestion, not evidence.Same method familyStope Layoutmachine-suggested · Relational suggestion, not evidence.

Evidence status

Sources recorded, not reviewed

Bibliographic sources are present. Claim-level evidence review has not been performed.

Sources

2 recorded citations, copied from the method source record.

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