i'm on 3.1.4... time to upgrade, perhaps !
On Feb 10, 1:42 pm, mabshoff <[email protected]
dortmund.de> wrote:
> On Feb 10, 3:18 am, Pierre <[email protected]> wrote:
>
> Hi Pierre,
>
> > surely there's an easy fix for this:
>
> > sage: G= PermutationGroup([])
> > sage: G
> > Permutation Group with generators []
> > sage: G.is_abelian()
>
> <SNIP backtrace>
>
> What Sage release are you running?
>
> ----------------------------------------------------------------------
> | Sage Version 3.2.1, Release Date: 2008-12-01 |
> | Type notebook() for the GUI, and license() for information. |
> ----------------------------------------------------------------------
> sage: G= PermutationGroup([]); G
> Permutation Group with generators [()]
> sage: G.is_abelian()
> True
>
> ----------------------------------------------------------------------
> | Sage Version 3.2.2, Release Date: 2008-12-18 |
> | Type notebook() for the GUI, and license() for information. |
> ----------------------------------------------------------------------
> sage: G= PermutationGroup([]); G
> Permutation Group with generators [()]
> sage: G.is_abelian()
> True
>
> ----------------------------------------------------------------------
> | Sage Version 3.2.3, Release Date: 2009-01-05 |
> | Type notebook() for the GUI, and license() for information. |
> ----------------------------------------------------------------------
> sage: G= PermutationGroup([]);G
> Permutation Group with generators [()]
> sage: G.is_abelian()
> True
>
> ----------------------------------------------------------------------
> | Sage Version 3.3.alpha6, Release Date: 2009-02-07 |
> | Type notebook() for the GUI, and license() for information. |
> ----------------------------------------------------------------------
> sage: G= PermutationGroup([])
> sage: G
> Permutation Group with generators [()]
> sage: G.is_abelian()
> True
>
> I.e. every somewhat current Sage release has that bug fixed.
>
> Cheers,
>
> Michael
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