#12892: Toric fibration morphisms
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Reporter: vbraun | Owner: AlexGhitza
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.0
Component: algebraic | Resolution:
geometry | Merged in:
Keywords: sd40.5 | Reviewers: Andrey Novoseltsev
Authors: Volker Braun | Work issues: comments
Report Upstream: N/A | Commit:
Branch: | e79e8405a5c762eeaed7b6553195f6c73d561861
u/novoselt/toric_fibration | Stopgaps:
Dependencies: #12361, #13023, |
#14353 |
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Comment (by novoselt):
Volker - How about adding `.coordinates()` or something like this method
to `PointCollection` which will return a point collection with the same
points as the original, but written in terms of the basis of the original
module? I think this will help in dealing with sublattices and quotients,
e.g. there is a bunch of methods for 2d fans that test dimension of the
lattice, but need to take into account that actual points may have more
than 2 components. This is the reason for the failing doctest where P2 is
represented by a fan in a sublattice.
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Ticket URL: <http://trac.sagemath.org/ticket/12892#comment:53>
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