#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, | eb7b486c6fecac296052f980788e15e2ad1b59e4
#10193, #12895, #14516, #14722, | Stopgaps:
#13589, #14471, #15069, #15094, |
#11688, #13394, #15150, #15506 |
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Comment (by nthiery):
Hi Peter!
Replying to [comment:474 pbruin]:
> Not sure if 'urgent' is the right word, but it would be better to give
method the right name from the start rather than using a less-than-ideal
name for consistency with other less-than-ideal names...
Agreed: it's just a question of manpower :-)
> > To raise any confusion: I mean that if you construct a monoid M as a
> > cartesian product of other monoids, you would get a `M.factors()`
> > method which would have nothing to do with the concept of
> > factorization in the monoid M.
>
> I see. How about
> {{{
> summand_projection() -> cartesian_projection()
> summand_split() -> cartesian_factors()
> summands() -> cartesian_factors()
> }}}
> In particular, the fact that the last two are equal would be nicely
consistent with the fact that we already have `cartesian_product()` both
for parents and for elements.
Sounds reasonable to me. If nobody suggests a better suggestion now,
please proceed!
Cheers,
Nicolas
--
Ticket URL: <http://trac.sagemath.org/ticket/10963#comment:477>
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