#12587: simplicial complexes lack hash function
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Reporter: vpilaud | Owner: sage-combinat
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.4
Component: combinatorics | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Travis Scrimshaw | Merged in:
Dependencies: | Stopgaps:
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Comment (by jhpalmieri):
> Is this the desired behaviour?
Well, it's certainly the documented behavior. Note that you can also do
{{{
S = SimplicialComplex([[1,2]])
}}}
to get a complex with a single facet. So the vertex list is already an
optional argument, in some sense.
I think that the hash should only depend on the facets; the unused
vertices shouldn't have any effect. That makes the most mathematical sense
to me.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12587#comment:22>
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