#13223: Implement Poset.is_graded using a polynomial time (linear?) algorithm.
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Reporter: nthiery | Owner: sage-combinat
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.4
Component: combinatorics | Resolution:
Keywords: sd40 | Merged in:
Authors: Jori Mäntysalo | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jmantysalo/implement_poset_is_graded_using_a_polynomial_time__linear___algorithm_|
a9896c7e9f9e8e6c6f52a25a3370c2d595e2fecf
Dependencies: #13222 | Stopgaps:
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Changes (by {'newvalue': u'Jori M\xe4ntysalo', 'oldvalue': ''}):
* status: new => needs_review
* cc: ncohen (added)
* commit: => a9896c7e9f9e8e6c6f52a25a3370c2d595e2fecf
* author: => Jori Mäntysalo
Comment:
I should now be O(n). (Where `n` if number of cover relations, not number
of elements.
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New commits:
||[http://git.sagemath.org/sage.git/commit/?id=32a7eb719139f71290050d3f9f322badc7f33bb1
32a7eb7]||{{{New algorithm.}}}||
||[http://git.sagemath.org/sage.git/commit/?id=a9896c7e9f9e8e6c6f52a25a3370c2d595e2fecf
a9896c7]||{{{.}}}||
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Ticket URL: <http://trac.sagemath.org/ticket/13223#comment:10>
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