#18260: DiGraph.centrality_betweeenness
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Reporter: ncohen | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.7
Component: graph theory | Keywords:
Merged in: | Authors: Nathann Cohen
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Right now centrality_betweenness is only available for graphs even though
both implementations also support digraphs.
This branch moves it where it belongs, fixes a small bug and adds a test.
The temporary digraph is initialized to be the *reverse* of the first, as
it is meant to associate to each vertex a list of its predecessors. Thus,
each vertex v must be able to store "indegree(v)" possible vertices.
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Ticket URL: <http://trac.sagemath.org/ticket/18260>
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