#12892: Toric fibration morphisms
--------------------------------------+-------------------------------------
Reporter: vbraun | Owner: AlexGhitza
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-5.1
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 | Stopgaps:
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Comment (by novoselt):
{{{
sage: P1 = toric_varieties.P1()
sage: f = P1.hom(matrix([2]), P1)
sage: f.fiber_orbit_closure(P1.fan(1)[0])
Traceback (most recent call last):
...
ArithmeticError: Argument gens (= [(1/2)]) does not generate a submodule
of self.
}}}
This should either give a meaningful error message or better yet just
work. I'll try to take care of it.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12892#comment:14>
Sage <http://www.sagemath.org>
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