#10963: More functorial constructions
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Reporter: nthiery | Owner: stumpc5
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.1
Component: categories | Resolution:
Keywords: days54 | Merged in:
Authors: Nicolas M. Thiéry | Reviewers: Simon King, Frédéric
Report Upstream: N/A | Chapoton
Branch: | Work issues:
public/ticket/10963 | Commit:
Dependencies: #11224, #8327, | 8045aa4a4b7ada735b3eb6055382f9b341a39f1e
#10193, #12895, #14516, #14722, | Stopgaps:
#13589, #14471, #15069, #15094, |
#11688, #13394, #15150, #15506 |
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Comment (by nbruin):
Replying to [comment:378 nthiery]:
> The tree structure is still there, given by the links
> "Finite=...". And it is used extensively by the underlying
> algorithmic.
No, that's my point. Both `Fields.Finite` and `DivisionRings.Finite` can
point at the same category (and I think they could both do that via a
properly formatted lazy import proxy if required). Then there's no tree
structure. I haven't seen a convincing reason yet why you need to bless
one (in this case probably `Fields.Finite`) as the main link. You may well
have a convincing reason, in which case you should mention it. If there is
no convincing reason we should start deemphasizing it. The data that
you're modelling doesn't intrinsically imply a spanning tree, so if we can
avoid putting it in, we'd probably be better off.
--
Ticket URL: <http://trac.sagemath.org/ticket/10963#comment:379>
Sage <http://www.sagemath.org>
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