#13223: Implement Poset.is_graded using a polynomial time (linear?) algorithm.
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Reporter: nthiery | Owner: sage-combinat
Type: enhancement | Status: needs_work
Priority: minor | 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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Comment (by jmantysalo):
A side note about #17002: It makes `minimal_elements` slightly slower.
Must modify functions `sinks()` and `sources()` on `digraph.py`.
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Ticket URL: <http://trac.sagemath.org/ticket/13223#comment:14>
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