#10335: Add domains for permutation groups
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Reporter: mhansen | Owner:
joyner
Type: enhancement | Status:
positive_review
Priority: major | Milestone:
sage-4.7.1
Component: group theory | Keywords:
Work_issues: | Upstream: N/A
Reviewer: Robert Miller, Rob Beezer, Nicolas Borie | Author: Mike
Hansen
Merged: | Dependencies:
#10334
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Old description:
> Often, one wants to define a permutation group on a set other than {{{
> {1,2,...,n} }}} such as say {{{ {'a', 'b', 'c', 'd'} }}}.
>
> For example,
>
> {{{
> sage: G = PermutationGroup([ [('c','d')], [('a','c')] ])
> sage: G.orbit('a')
> ['a', 'c', 'd']
> }}}
New description:
Often, one wants to define a permutation group on a set other than {{{
{1,2,...,n} }}} such as say {{{ {'a', 'b', 'c', 'd'} }}}.
For example,
{{{
sage: G = PermutationGroup([ [('c','d')], [('a','c')] ])
sage: G.orbit('a')
['a', 'c', 'd']
}}}
--
Comment(by nthiery):
For the record: when applying this patch with the sage-combinat queue on
sage-4.7.2, I got an import loop, and used the extra patch to fix it.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10335#comment:22>
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