#14476: non-integral models can cause a bug in local_data for elliptic curves
over
number fields
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Reporter: wuthrich | Owner: cremona
Type: defect | Status: new
Priority: major | Milestone: sage-5.10
Component: elliptic curves | Resolution:
Keywords: local_data | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by wuthrich):
OK, I solved the second problem in {{{global_integral_model}}}. The
algorithm did not check that e was negative - for indeed a uniformiser for
one place could be one for another and then the non-integrality at the
later was already done. Rather than just adding {{{if e<0:}}} I decided to
rewrite it to make it do a minimal number of changes. Patch to come.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14476#comment:6>
Sage <http://www.sagemath.org>
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