#10735: Simon 2-descent may not check for solubility at archimedean places.
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Reporter: weigandt | Owner: cremona
Type: defect | Status: new
Priority: major | Milestone: sage-6.2
Component: elliptic curves | Resolution:
Keywords: simon_two_descent | Merged in:
Authors: | Reviewers:
Report Upstream: Reported upstream. No | Work issues:
feedback yet. | Commit:
Branch: | Stopgaps:
Dependencies: #11005 |
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Comment (by cremona):
You are right. DS does no second descent (unlike mwrank when over Q and
with 2-torsion) and the second descent can give a better upper bound on
the rank.
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Ticket URL: <http://trac.sagemath.org/ticket/10735#comment:9>
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