#6050: [with patch, needs review] Dynkin diagram ascii art for reducible Cartan
types (with patch, needs review)
---------------------------+------------------------------------------------
Reporter: bump | Owner: bump
Type: enhancement | Status: new
Priority: major | Milestone: sage-combinat
Component: combinatorics | Keywords:
---------------------------+------------------------------------------------
Old description:
> After the patch, Dynkin diagram ascii art is available for reducible
> Cartan types.
>
> {{{
> sage: DynkinDiagram("F4xA2")
>
> O---O=>=O---O
> 1 2 3 4
> O---O
> 5 6
> F4xA2
> }}}
>
> This goes on top of {{{trac_5502-revised.patch}}} but that has been
> merged in sage-4.0rc0.
New description:
After the patch, Dynkin diagram ascii art is available for reducible
Cartan types.
{{{
sage: DynkinDiagram("F4xA2")
O---O=>=O---O
1 2 3 4
O---O
5 6
F4xA2
sage: CartanType("B2xC2").dynkin_diagram()
O=>=O
1 2
O=<=O
3 4
B2xC2
}}}
This goes on top of {{{trac_5502-revised.patch}}} but that has been merged
in sage-4.0rc0.
--
Comment(by bump):
Revised: CartanType in {{{type_reducible.py}}} needed a
{{{dynkin_diagram}}} method.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6050#comment:3>
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