#13503: Enhancement of `is_triangle_free' addition of `triangles_count' and a
minor
change in `spanning_trees_count'
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Reporter: azi | Owner:
jason, ncohen, rlm
Type: enhancement | Status:
needs_work
Priority: minor | Milestone:
sage-5.4
Component: graph theory | Resolution:
Keywords: triangles, graphs, number of triangles | Work issues:
Report Upstream: N/A | Reviewers:
David Coudert
Authors: Jernej Azarija | Merged in:
Dependencies: | Stopgaps:
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Comment (by azi):
@dcoudert
While matrix multiplication over GF(2) is quite fast, it is wrong for the
adjacency matrix. The trace of the cube of an adjacency matrix is always
zero over GF(2).
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13503#comment:18>
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