#6583: [with patch, not ready] Implement two descent over QQ natively in Sage
using ratpoints
-----------------------------+----------------------------------------------
 Reporter:  rlm              |       Owner:  davidloeffler
     Type:  enhancement      |      Status:  new          
 Priority:  major            |   Milestone:  sage-4.1.2   
Component:  elliptic curves  |    Keywords:               
 Reviewer:                   |      Author:  Robert Miller
   Merged:                   |  
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Comment(by rlm):

 For my purposes (working within Cremona's big table, N<130000), the
 dimensions of the subspaces of Q*/(Q*)^2 I am considering are

 0: 242 cases
 1: 15019 cases
 2: 93479 cases
 3: 141373 cases
 4: 59005 cases
 5: 7339 cases
 6: 187 cases

 Based on this, I do not consider it a priority to do #2. The others are
 also not necessary for my purposes, so I'm doing some serious triage and
 getting this into a mergable state now. These other enhancements can come
 later.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6583#comment:4>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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