#18589: isogeny efficiency improvement
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Reporter: | Owner:
cremona | Status: needs_review
Type: | Milestone: sage-6.8
enhancement | Resolution:
Priority: major | Merged in:
Component: | Reviewers:
elliptic curves | Work issues:
Keywords: | Commit:
isogeny | 47ccfd587402b953c612fcd3cddaa541a6847bd3
Authors: John | Stopgaps:
Cremona |
Report Upstream: N/A |
Branch: |
u/cremona/18589 |
Dependencies: |
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Comment (by cremona):
Replying to [comment:6 jdemeyer]:
> Replying to [comment:5 cremona]:
> > I have an example where the 13-division poly factors as 14 degree 6
factors, but only 2 of them are kernel polys!
> Is this example in Sage? It would be good to have (if it takes too long,
just add `# not tested (10 minutes)` or whatever)
No, but it is Example 3.1.1 on page 28 of [KT2013] which is here:
http://wrap.warwick.ac.uk/57568/
The example is over F_3 so is not slow.
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Ticket URL: <http://trac.sagemath.org/ticket/18589#comment:8>
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