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- W2008014328 abstract "We investigate multisource spanning tree problems where, given a graph with edge weights and a subset of the nodes defined as sources, the object is to find a spanning tree of the graph that minimizes some distance-related cost metric. This problem can be used to model multicasting in a network where messages are sent from a fixed collection of senders and communication takes place along the edges of a single spanning tree. For a limited set of possible cost metrics of such a spanning tree, we either prove the problem is NP-hard or we demonstrate the existence of an efficient algorithm to find an optimal tree." @default.
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- W2008014328 date "2003-09-01" @default.
- W2008014328 modified "2023-10-16" @default.
- W2008014328 title "The complexity of minimizing certain cost metrics for k-source spanning trees" @default.
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- W2008014328 doi "https://doi.org/10.1016/s0166-218x(02)00420-1" @default.
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