#8044: Categories for finite (permutation) groups
---------------------------------+------------------------------------------
Reporter: nthiery | Owner: nthiery
Type: defect | Status: new
Priority: major | Milestone:
Component: group_theory | Keywords: Finite groups, permutation
groups
Author: Nicolas M. Thiéry | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Old description:
> This patch:
>
> - Introduces two new categories, FiniteGroups and
> FinitePermutationGroups
> - Deprecates the class sage.groups.group.FiniteGroup
> (content moved to the FiniteGroups category; this is essentially
> the cayley_graph method)
> - Puts all permutation groups and most other finite groups in the
> corresponding categories
> - As a result, this standardizes the interface of those groups
> (cardinality, one, ...), and reveals lots of failures in the
> completely undocumented PariGroup (category not set properly yet)
> - Makes a minor improvement to FiniteEnumeratedSets tests for
> large finite enumerated sets
New description:
This patch:
- Introduces two new categories, FiniteGroups and FinitePermutationGroups
- Deprecates the class sage.groups.group.FiniteGroup
(content moved to the FiniteGroups category; this is essentially
the cayley_graph method)
- Puts all permutation groups and most other finite groups in the
corresponding categories
- As a result, this standardizes the interface of those groups
(cardinality, one, ...), and reveals lots of failures in the
completely undocumented PariGroup (category not set properly yet)
- Makes a minor improvement to FiniteEnumeratedSets tests for
large finite enumerated sets
Current (to be finalized patch) on:
http://combinat.sagemath.org/hgwebdir.cgi/patches/file/tip/trac_8044
-categories_finite_groups-nt.patch. Prereviews welcome!
--
Comment(by nthiery):
Non finalized patch on:
http://combinat.sagemath.org/hgwebdir.cgi/patches/file/tip/trac_8044
-categories_finite_groups-nt.patch
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8044#comment:1>
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