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Hi there.. I have a network (a graph undirected and unweighted) and I need to find k-paths between any pair of nodes. How can I do this?

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my understanding that this basically can be done by linear programming, as a variation of the classical max-flow min-cut approach. See this paper in J. Graph Theory 67(2011) 34-37.

Needless to say, in the non-directed case one can replace each edge by a pair of arcs going in opposite directions.

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but in my case, the graph is undirected and unweighted. In your paper, the theorem uses a directed and weighted graph. –  Rene Dec 14 '12 at 13:54
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so your case is a subcase of the situation considered in the paper! –  Dima Pasechnik Dec 14 '12 at 13:59
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