Negative-Weight Cycle Algorithms
نویسنده
چکیده
The problem of finding a negative cycle in a weighted, directed graph is discussed here. First the algorithm for printing out a negative cycle reachable from the source s, with the running time no worse than the Bellman-Ford algorithm for the single-source shortest-path problem, is presented. Then an approach with the same time complexity, which could be used for outputting a negative cycle that may not be reachable from s, is reported.
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تاریخ انتشار 2006