#14058: Weakly reference binary operation codomains
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       Reporter:  robertwb         |         Owner:  rlm         
           Type:  enhancement      |        Status:  needs_review
       Priority:  major            |     Milestone:  sage-5.7    
      Component:  memleak          |    Resolution:              
       Keywords:                   |   Work issues:              
Report Upstream:  N/A              |     Reviewers:              
        Authors:  Robert Bradshaw  |     Merged in:              
   Dependencies:  #12313           |      Stopgaps:              
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Description changed by SimonKing:

Old description:

> R(1) + S(1) caches a strong reference to both R and S, which we'd like to
> avoid.
>
> See discussion at https://groups.google.com/forum/?fromgroups=#!topic
> /sage-devel/ozhIHIwQ4WA
>
> __APPLY__
>
> * [attachment:14058-weak-binop-morphisms.patch and
> trac_14058-doctest.patch]
> * [attachment:trac_14058-doctest.patch]

New description:

 R(1) + S(1) caches a strong reference to both R and S, which we'd like to
 avoid.

 See discussion at https://groups.google.com/forum/?fromgroups=#!topic
 /sage-devel/ozhIHIwQ4WA

 __APPLY__

 * [attachment:14058-weak-binop-morphisms.patch]
 * [attachment:trac_14058-doctest.patch]

--

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14058#comment:12>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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