Opened 8 years ago

Closed 8 years ago

#11540 closed enhancement (fixed)

Make elliptic curve reduction consistent with has_good_reduction

Reported by: mderickx Owned by: cremona
Priority: major Milestone: sage-4.7.2
Component: elliptic curves Keywords: Reduction of elliptic curves
Cc: Merged in: sage-4.7.2.alpha2
Authors: Maarten Derickx Reviewers: Chris Wuthrich
Report Upstream: N/A Work issues:
Branch: Commit:
Dependencies: Stopgaps:

Description (last modified by wuthrich)

for more info see: https://groups.google.com/forum/#!topic/sage-nt/91msjosvJuA

This patch changes the behaviour of the reduction of an elliptic curve over a number field. Now, it will always cahnge to a minimal model and then give back its special fibre if the reduction is good.

Attachments (1)

ec-reduction-inconsistencie.patch (2.9 KB) - added by mderickx 8 years ago.

Download all attachments as: .zip

Change History (4)

comment:1 Changed 8 years ago by mderickx

  • Status changed from new to needs_review

Changed 8 years ago by mderickx

comment:2 Changed 8 years ago by wuthrich

  • Description modified (diff)
  • Keywords Reduction of elliptic curves added
  • Reviewers set to Chris Wuthrich
  • Status changed from needs_review to positive_review

comment:3 Changed 8 years ago by jdemeyer

  • Merged in set to sage-4.7.2.alpha2
  • Resolution set to fixed
  • Status changed from positive_review to closed
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