#12643: irreducibility of generalized permutation
--------------------------------------------------------+-------------------
Reporter: vdelecroix | Owner:
vdelecroix
Type: defect | Status:
needs_review
Priority: major | Milestone:
sage-5.1
Component: combinatorics | Resolution:
Keywords: permutation, quadratic differentials | Work issues:
Report Upstream: N/A | Reviewers:
Authors: vdelecroix | Merged in:
Dependencies: | Stopgaps:
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Description changed by chapoton:
Old description:
> The irreducibility of generalized permutation does not work
> {{{
> sage: p = iet.GeneralizedPermutation('1 2 2 3 3','1 4 4)
> sage: p.is_irreducible()
> True
> }}}
> But it should returns False.
>
> The patch corrrects this behavior. The implementation is a bit modified
> and many doctests are added.
New description:
The irreducibility of generalized permutation does not work
{{{
sage: p = iet.GeneralizedPermutation('1 2 2 3 3','1 4 4')
sage: p.is_irreducible()
True
}}}
But it should returns False.
The patch corrrects this behavior. The implementation is a bit modified
and many doctests are added.
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12643#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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