#12892: Toric fibration morphisms
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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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Old description:
> This ticket provides more morphisms that are associated to toric
> varieties:
> * embedding of an orbit closure
> * embedding of a fiber of a toric morphism
> * pull-back of divisors
>
> Apply:
> * [attachment:trac_12892_orbit_closure_morphism.patch]
> * [attachment:trac_12892_toric_morphism_fibers.patch]
> * [attachment:trac_12892_toric_morphism_divisors.patch]
New description:
This ticket provides more morphisms that are associated to toric
varieties:
* embedding of an orbit closure
* embedding of a fiber of a toric morphism
* pull-back of divisors
Apply:
* [attachment:trac_12892_orbit_closure_morphism.patch]
* [attachment:trac_12892_toric_morphism_fibers.patch]
* [attachment:trac_12892_toric_morphism_divisors.patch]
* [attachment:trac_12892_reviewer.patch]
--
Comment (by novoselt):
Beginning of the reviewer patch: I changed `fiber` to `fiber_generic` and
want to change `fiber_component` to something more accurate since it does
not necessarily return an irreducible component of a fiber, but perhaps a
smaller dimensional piece. How about `fiber_orbit_closure`? That's how the
documentation describes the output anyway.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12892#comment:13>
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