Helloo everybody !!!
I just sent the patch ! It is a bit dense, but efficiently documented :-)
I do not expect it to be reviewed very soon, but if anybody is
interested I would be glad to see it merged to Sage. It also
implements some stuff of independent interest (negative certificates
for b
Helloo Everybody
You are totally right ! A collection of directed cycles is probably
the most standard way to draw a permutation ! Well, it is now the
default one in #12872. I also implemented Christian's chord-diagram
(it is just an option of the DiGraph show method :-p), but assumin
Christian Stump writes:
>> group theorists would normally draw permutations as collection of directed
>> cycles, with labelled vertices.
>
> I would somewhat also expect this to be the default drawing of a
> permutation. Especially, when a permutation has a lot of fix points,
> diagram presentati