#19737: SetPartition.to_permutation().cycle_tuples() is not the identity
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Reporter: mantepse | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-7.0
Component: combinatorics | Resolution:
Keywords: set partitions, | Merged in:
permutations | Reviewers:
Authors: Martin Rubey | Work issues:
Report Upstream: N/A | Commit:
Branch: | c6a3939d2e18efe3906e1f959dc5c019c921a944
u/mantepse/setpartition_to_permutation___cycle_tuples___is_not_the_identity|
Stopgaps:
Dependencies: |
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Comment (by ncohen):
A bit unrelated, but just for fun:
{{{
sage: X = map(GF(13),range(1,13))
sage: SetPartition([X])
{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}}
sage: SetPartition([X]).to_permutation()
TypeError: 'sage.rings.finite_rings.integer_mod.IntegerMod_int' object is
not iterable
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/19737#comment:17>
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