#12892: Toric fibration morphisms
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Reporter: vbraun | Owner: AlexGhitza
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.9
Component: algebraic geometry | Resolution:
Keywords: sd40.5 | Work issues: comments and
rebasing
Report Upstream: N/A | Reviewers: Andrey Novoseltsev
Authors: Volker Braun | Merged in:
Dependencies: #12361, #13023, #14353 | Stopgaps:
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Comment (by novoselt):
I'm the one who should be sorry for delays and dragging tickets ;-) I need
to go over the discussion here and patches again as I remember confusing
myself half a year ago while doing and undoing changes in my patch.
This factorization makes sense: first to the fan of images of cones in the
image sublattice, then inclusion of this fan by the identity map, which is
certainly injective on the torus, but may not be on the lower dimensional
orbits. I'll try to get back with more detailed thoughts on Tuesday or, at
worst, next weekend.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12892#comment:28>
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