#11935: Make parent/element classes independent of base rings
---------------------------+------------------------------------------------
Reporter: SimonKing | Owner: nthiery
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.7.3
Component: categories | Keywords: parent class, element class,
category
Work_issues: | Upstream: N/A
Reviewer: | Author: Simon King
Merged: | Dependencies: #9138, #11900
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Old description:
> At #11900 and [http://groups.google.com/group/sage-combinat-
> devel/browse_thread/thread/99c74827d704e677 sage-combinat-devel], as well
> as in some comments in sage/categories/category.py, the idea was
> discussed to make, for example,
> `Algebras(GF(3)).parent_class==Algebras(GF(5)).parent_class` - hence,
> make the parent/element classes as independent from the base of a
> category as possible.
New description:
At #11900 and [http://groups.google.com/group/sage-combinat-
devel/browse_thread/thread/99c74827d704e677 sage-combinat-devel], as well
as in some comments in sage/categories/category.py, the idea was discussed
to make, for example,
`Algebras(GF(3)).parent_class==Algebras(GF(5)).parent_class` - hence, make
the parent/element classes as independent from the base of a category as
possible.
Apply only one of the two patches, at your choice!
--
Comment(by SimonKing):
`sage -testall -long` passes for either patch. So, unless we will find bad
surprises in the pickle jar, both approaches should be fine. I am slightly
in favour of approah 3.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11935#comment:14>
Sage <http://www.sagemath.org>
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