#11068: Basic implementation of one- and twosided ideals of non-commutative
rings,
and quotients by twosided ideals
--------------------------------------------------------------+-------------
Reporter: SimonKing | Owner:
AlexGhitza
Type: enhancement | Status:
needs_work
Priority: major | Milestone:
sage-4.7
Component: algebra | Keywords:
onesided twosided ideal noncommutative ring
Work_issues: Shall one move code from ring.pyx to rings.py? | Upstream:
N/A
Reviewer: | Author:
Simon King
Merged: | Dependencies:
#10961, #9138, #11115
--------------------------------------------------------------+-------------
Changes (by SimonKing):
* status: needs_review => needs_work
Comment:
I just found one problem that should be fixed.
In unpatched Sage, we have
{{{
sage: R = Integers(8)
sage: R.quotient(R.ideal(2),['bla'])
Quotient of Integer Ring by the ideal (2)
}}}
Shouldn't the result rather be the same as `Integers(2)`?
With my patch as it currently is, the example fails with a type error. But
I think I can make it work, so that the result will be "Ring of integers
modulo 2".
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11068#comment:16>
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