Presents a successive shortest paths scaling algorithm for unit-capacity min-cost flow achieving Õ((nm)^{2/3} log C) time on planar multigraphs via r-divisions and dense distance graphs.
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The anti-lexicographic SUS-anchor achieves sampling densities less than 1% above the lower bound for alphabet size 4 and k=1, substantially outperforming bidirectional anchors.
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Min-Cost Flow in Unit-Capacity Planar Graphs
Presents a successive shortest paths scaling algorithm for unit-capacity min-cost flow achieving Õ((nm)^{2/3} log C) time on planar multigraphs via r-divisions and dense distance graphs.
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The anti-lexicographic SUS-anchor: a near-optimal k=1 sampling scheme
The anti-lexicographic SUS-anchor achieves sampling densities less than 1% above the lower bound for alphabet size 4 and k=1, substantially outperforming bidirectional anchors.