#20027: Different behavior for reflections for matrix Coxeter group and Weyl
groups
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Reporter: tscrim | Owner: sage-
Type: defect | combinat
Priority: major | Status: new
Component: combinatorics | Milestone: sage-7.1
Keywords: coxeter groups, reflections | Resolution:
Authors: | Merged in:
Report Upstream: N/A | Reviewers:
Branch: | Work issues:
Dependencies: | Commit:
| Stopgaps:
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Comment (by stumpc5):
Hi Travis,
also in the light of hopefully having soon the {{{chevie}}} version of
reflection groups:
* What do you think is the correct behaviour?
* Does it make sense to allow user labels of the reflections in the case
of finite reflection groups? -- this might be interesting in the situation
that you want to look for words in all reflections. (But that also puts
another layer of possible bugs!)
There, is is currently
{{{
sage: ReflectionGroup(['A',1]).reflections()
Finite family {0: (1,2)}
sage: ReflectionGroup(['A',1],reflection_index_set=["A"]).reflections()
Finite family {'A': (1,2)}
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/20027#comment:1>
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