An O (n log n) algorithm for maximum st-flow in a directed planar graph
An O (n log n) algorithm for maximum st-flow in a directed planar graph
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有向平面图中最大 st 流的 O (n log n) 算法
DOI:
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发表时间:
2006
期刊:
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通讯作者:
P. Klein
中科院分区:
文献类型:
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作者:
G. Borradaile;P. Klein
We give the first correct <i>O</i>(<i>n</i> log <i>n</i>) algorithm for finding a maximum <i>st</i>-flow in a directed planar graph. After a preprocessing step that consists in finding single-source shortest-path distances in the dual, the algorithm consists of repeatedly saturating the leftmost residual <i>s</i>-to-<i>t</i> path.