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Dec 10, 2019 at 8:54 comment added Evgeny Zislis The action that does this is called Transitive Reduction, explained in detail at en.wikipedia.org/wiki/Transitive_reduction
Oct 2, 2017 at 2:58 answer added kglr timeline score: 3
Oct 18, 2013 at 14:01 vote accept asterix314
Oct 10, 2013 at 15:42 comment added asterix314 The solutions people have contributed are all of the "roll your own" type. It's a pity the rich set of graph algorithms in Mathematica are left unutilized for this question while we start from scratch.
Oct 10, 2013 at 15:19 answer added asterix314 timeline score: 11
Oct 8, 2013 at 12:16 vote accept asterix314
Oct 18, 2013 at 14:01
Oct 8, 2013 at 9:40 answer added István Zachar timeline score: 6
Oct 8, 2013 at 9:11 vote accept asterix314
Oct 8, 2013 at 12:16
Oct 8, 2013 at 6:45 history edited m_goldberg CC BY-SA 3.0
General cleanup
Oct 8, 2013 at 6:40 answer added Kuba timeline score: 7
Oct 8, 2013 at 6:34 comment added Yves Klett Including working code and showing what you already tried and what your input/output should look like will improve your chances to get an answer and make this question more useful for future visitors. At the moment there is about no Mathematica reference, too.
Oct 8, 2013 at 6:21 comment added asterix314 Algorithms I've looked at: minimum spanning tree, edge/vertex cover, shortest paths. But they are not what I'm looking for.
Oct 8, 2013 at 6:20 history tweeted twitter.com/#!/StackMma/status/387462512163450880
Oct 8, 2013 at 6:02 history asked asterix314 CC BY-SA 3.0