#4061: [with new patch, needs review] coercion from torsion subgroup of elliptic
curve to elliptic curve is broken
---------------------------+------------------------------------------------
 Reporter:  was            |        Owner:  was       
     Type:  defect         |       Status:  new       
 Priority:  minor          |    Milestone:  sage-3.2.2
Component:  number theory  |   Resolution:            
 Keywords:                 |  
---------------------------+------------------------------------------------
Changes (by cremona):

  * summary:  [with patch, needs review] coercion from torsion subgroup of
              elliptic curve to elliptic curve is broken =>
              [with new patch, needs review] coercion from
              torsion subgroup of elliptic curve to elliptic
              curve is broken

Comment:

 The second patch (apply after the first) fixes the behaviour for trivial
 torsion, by fixing the method list() for abelian groups which are trivial.
 The 3rd patch adds a doctest in the Abelian Groups code which I forgot the
 first time.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4061#comment:4>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of 
Reinventing the Wheel
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