#14291: Orbits of tuples and sets
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Reporter: ncohen | Owner: joyner
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.9
Component: group theory | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Nathann Cohen | Merged in:
Dependencies: | Stopgaps:
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Comment (by dimpase):
Replying to [comment:14 ncohen]:
> HMmmmmmmmmm `:-/`
>
> I'm sorry to say this because I like that code, but I just fixed
doctests in homology/simplicial_complex where an automorphism group is
defined over the elements of a simplicial complex... And I am afraid that
you will find both 'a', 'b', and ['a','b'] as elements of the domain `:-/`
Well, this is trivial to fix, just swap the actions in {{{try/except}}}
blocks in {{{dom_to_gap}}} internal functions.
By the way, why would one keep several actions in case of simplicial
complexes, on letters and on pairs, etc? This is akin to keeping actions
on vertices and edges in case of automorphisms of (simple) graphs, right?
Was that a poor design in the first place?
Besides, this seems to be inefficient to keep permutations in
dictionaries.
>
> Nathann
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14291#comment:15>
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