#13566: Simplicial complex examples as singletons
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Reporter: tscrim | Owner: tscrim
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-5.7
Component: algebraic topology | Resolution:
Keywords: simplicial | Work issues:
Report Upstream: N/A | Reviewers: Travis
Scrimshaw
Authors: Christian Nassau, John Palmieri | Merged in:
Dependencies: #13244, #12587 | Stopgaps:
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Comment (by tscrim):
Sorry for falling behind on this ticket. What we should do strongly
depends on the answer the question "Should these examples be immutable to
begin with (right now one would need to make a mutable copy to manipulate
it)?" My belief is still yes and so I'd support going to a
`UniqueFactory`, however this is at odds with what the graph code does:
{{{
sage: g = graphs.StarGraph(5)
sage: g
Star graph: Graph on 6 vertices
sage: g.add_vertex(10)
sage: g
Star graph: Graph on 7 vertices
}}}
Since the graph is given a special name, I'd rather that be immutable. (If
we do keep them immutable, we probably should give each of our simplicial
complex examples special names too...)
Anyways, what are everyone else's thoughts?
Thanks,[[BR]]
Travis
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13566#comment:24>
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