#10076: Bug in is_divisible_by on elliptic curves
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Reporter: cremona | Owner: cremona
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.6
Component: elliptic curves | Keywords: torsion point division
Author: John Cremona | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by cremona):
By the way, the only points P for which P.is_divisible_by(m) might have
returned the wrong result (True when it should be False) are those of
order 2, when m is even. [Proof: exercise.]
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10076#comment:2>
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