#15592: Birational rowmotion
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Reporter: darij | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.1
Component: categories | Resolution:
Keywords: birational | Merged in:
rowmotion, posets, combinat | Reviewers: Travis Scrimshaw
Authors: Darij Grinberg | Work issues:
Report Upstream: N/A | Commit:
Branch: | 822493dfc36366a6799e1aa3f0ef4f29346eb89e
public/combinat/birational_rowmotion| Stopgaps:
Dependencies: |
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Changes (by tscrim):
* reviewer: => Travis Scrimshaw
Comment:
Hey Darij,
I've fixed up the doc and changed the arg `alphabet` to `prefix` in
`birational_free_labelling()`. I tried to implement `birational_toggles()`
and `birational_rowmotion()` using a `reduce`, but this didn't net any
speedup. Somewhat surprisingly to me, this actually slowed it down
slightly, even with avoiding the extra `lambda` calls by swapping the
order of the arguments in `birational_toggle()`.
Anyways, if you're happy with my changes, then it's a positive review.
Best,[[BR]]
Travis
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Ticket URL: <http://trac.sagemath.org/ticket/15592#comment:4>
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