#7797: Full interface to letterplace from singular
---------------------------------------------------------------+------------
Reporter: burcin | Owner:
burcin
Type: enhancement | Status:
needs_review
Priority: major | Milestone:
sage-4.7
Component: algebra | Keywords:
singular
Author: Simon King, Michael Brickenstein, Burcin Erocal | Upstream:
N/A
Reviewer: | Merged:
Work_issues: |
---------------------------------------------------------------+------------
Comment(by SimonKing):
I forgot one technical detail:
Not all rings inherit from the base class of rings. Examples are matrix
algebras. In order to support non-commutative ideals for such rings, I
provide the relevant methods as `ParentMethods` in the category of
`Rings()`. Perhaps this duplication of code is considered a code smell.
At least, it enables the following:
{{{
sage: MS = MatrixSpace(QQ,2,2)
sage: MS*[MS.1,2]
Left Ideal
(
[0 1]
[0 0],
[2 0]
[0 2]
)
of Full MatrixSpace of 2 by 2 dense matrices over Rational Field
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7797#comment:23>
Sage <http://www.sagemath.org>
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