#12882: Allows a generalized Cartan matrix as input for Dynkin diagrams
-------------------------------------------------+-------------------------
Reporter: stumpc5 | Owner: sage-
Type: enhancement | combinat
Priority: major | Status:
Component: combinatorics | needs_work
Keywords: Weyl group, Dynkin diagram, | Milestone: sage-5.12
Cartan matrix, days49 | Resolution:
Authors: Christian Stump, Travis | Merged in:
Scrimshaw | Reviewers: Ben
Report Upstream: N/A | Salisbury
Branch: | Work issues:
Dependencies: #14137 #14516 | Commit:
| Stopgaps:
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Changes (by jdemeyer):
* status: positive_review => needs_work
Comment:
{{{
sage -t devel/sage/sage/combinat/root_system/dynkin_diagram.py
**********************************************************************
File "devel/sage/sage/combinat/root_system/dynkin_diagram.py", line 149,
in sage.combinat.root_system.dynkin_diagram.DynkinDiagram
Failed example:
DII.index_set()
Expected:
('x', -1)
Got:
(-1, 'x')
**********************************************************************
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/12882#comment:22>
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