#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 rbeezer):
"dense" in Sage is an implementation detail. Any matrix can be made dense
or sparse, even if it is not a good idea for the algorithm at hand.
In the discussion here, the actual "density" of the adjacency matrix is
relevant for which approach (matrix algebra, vertex neighborhoods) might
be faster.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13503#comment:20>
Sage <http://www.sagemath.org>
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