#11229: Rational maps attached to elliptic curve isogeny are incorrect
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Reporter: johanbosman | Owner: cremona
Type: defect | Status: new
Priority: major | Milestone: sage-4.7
Component: elliptic curves | Keywords: elliptic curves, isogeny
Author: Johan Bosman | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Changes (by newvalueoldvalue):
* author: => Johan Bosman
Comment:
Hi John,
The only reason why I used a degree 1 isogeny in the example was to keep
the example simple; it goes wrong in more general cases as well.
But I've already found in the code where it goes wrong. I will upload a
patch shortly.
Johan
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11229#comment:2>
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