Nikos Apostolakis wrote:
> Jaap Spies <j.sp...@hccnet.nl> writes:
>
>> Nikos Apostolakis wrote:
>>> The "translation=True" flag does not work after upgrading to sage 3.2.3
>>> I am not sure when this behaviour was introduced. In version 2.10.2 it
>>> works fine, unfortunately I don't have a more recent old sage to check.
>>>
>>> sage: foo = Graph()
>>> sage: foo.add_edges([(0,1,1),(1,2,2), (2,3,3)])
>>> sage: foo.automorphism_group(translation=True)
>>
>> This worked in sage-3.1.2 and before, giving
>> (Permutation Group with generators [(1,2)(3,4)], {0: 4, 1: 1, 2: 2, 3: 3})
>>
>
> It seems that when the vertices are labelled 0,..., n-1 then the
> translation is simply 0 <-> n, and the rest is fixed. At least
> this is the case with all examples I've seen. Can I assume that
> this will allways be the case?
>
The problem seems to be solved: see:
http://trac.sagemath.org/sage_trac/ticket/5017
Cheers,
Jaap
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