#13189: fan isomorphism check
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Reporter: vbraun | Owner: AlexGhitza
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.2
Component: algebraic geometry | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Andrey Novoseltsev
Authors: Volker Braun | Merged in:
Dependencies: #12544 | Stopgaps:
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Comment (by vbraun):
Replying to [comment:7 novoselt]:
> What do you mean by the following change of output description??
> {{{
> By default, ``True`` if ``self`` and ``other`` are in the same
> `GL(n, \ZZ)`-orbit, ``False`` otherwise.
> }}}
I'm trying to say that it returns whether the two fans are equivalent up
to a `GL(n,ZZ)` basis change. Apparently not comprehensible enough ;-)
> Do you mind if I also switch computation of the virtual rays to the fan
constructor and allow user to specify them?
If you want to implement that, go for it.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13189#comment:9>
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