#19030: fix small bug in elliptic curve isogeny matrix of maps
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Reporter: | Owner:
cremona | Status: needs_work
Type: | Milestone: sage-6.9
defect | Resolution:
Priority: minor | Merged in:
Component: | Reviewers:
elliptic curves | Work issues:
Keywords: | Commit:
isogeny class | 0690288a4434154d9dfe8ccdbcc2bb0443cf1074
Authors: John | Stopgaps:
Cremona |
Report Upstream: N/A |
Branch: |
u/cremona/19030 |
Dependencies: |
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Changes (by cremona):
* status: needs_review => needs_work
Comment:
When setting the "reverse" isogenies from the i'th curve to the j'th where
we have seen the j'th before, the codomain is only a curve isomorphic to
the j'the curve, not equal to it.
I will update the branch to fix this.
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Ticket URL: <http://trac.sagemath.org/ticket/19030#comment:2>
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