#20154: train-tracks
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Reporter: dbenielli | Owner:
Type: task | Status: new
Priority: major | Milestone: sage-7.1
Component: combinatorics | Resolution:
Keywords: free-group automorphism | Merged in:
Authors: Dominique Benielli and | Reviewers:
Thierry Coulbois | Work issues:
Report Upstream: N/A | Commit:
Branch: | Stopgaps:
Dependencies: |
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Comment (by dbenielli):
Replying to [comment:4 mmarco]:
> I could be interested in this. Specially to add it as a functionality
for Braid groups.
>
> I have taken a quick look at Coulbois code, and it seems that it was
writen before we had free groups in sage (or at least, he writes his own
implementation of free groups).
>
> So my impression is that we would need to heavily adapt his code in
order to fit our current infrastructure.
>
> If you are ok with it, we can start discussing which should be the right
structure to follow.
Hi,
Thanks for your comment. We are still working on train-track adaptation
for sage, format code, checked test , that takes more time that I expected
were I opened the ticket ... Indeed our main issue is the FreeGroup
implementation (we have already do some change comparing to the train-
track code of Thierry) but we have still a reduced FreeGroup, and the
compatibility with the FreeGroup is Sage is not easy (same use
functionality).
We of course ok to start discussing about this issue and we wish to find a
light solution. The easiest way would be to rename our FreeGroup but may
be we can make something better. So we are open to any suggestion.
Dominique
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Ticket URL: <http://trac.sagemath.org/ticket/20154#comment:5>
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