#9604: Tracker bug for toric varieties
------------------------------------------------+---------------------------
Reporter: vbraun | Owner: AlexGhitza
Type: task | Status: needs_work
Priority: major | Milestone: sage-5.0
Component: algebraic geometry | Keywords:
Author: Volker Braun, Andrey Novoseltsev | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
------------------------------------------------+---------------------------
Old description:
> This bug tracks the current status of the toric varieties code and the
> interdependence of new patches, which should be applied on top of Sage
> 4.6.alpha1. Any (properly ordered) part of positively reviewed patches
> can be merged at any time, there is no need to "bundle tickets."
>
> * #9934: Toric divisor class -> divisor lift should be integral
> '''(positive review)'''
> * #9963: non-nef divisors can have sections, too '''(positive
> review)'''
> * #10021: Empty `LatticePolytope` fails '''(positive review)'''
> * #10022: `Cone.is_smooth()` returns wrong answer '''(positive
> review)'''
> * #9664: Graphical representation of fans
>
> Needs more work:
>
> * #9972: Add toric lattice morphisms
> * #9713: Add the toric Chow group
>
> The following two patches will probably become prerequisites at one
> point:
>
> * #9798: accelerate Polyhedron
> * #9918: triangulate point configurations
>
> Depending on them:
>
> * #10023: Compute Hilbert basis of cone
New description:
This bug tracks the current status of the toric varieties code and the
interdependence of new patches, which should be applied on top of Sage
4.6.alpha1. Any (properly ordered) part of positively reviewed patches can
be merged at any time, there is no need to "bundle tickets."
* #9934: Toric divisor class -> divisor lift should be integral
'''(positive review)'''
* #9963: non-nef divisors can have sections, too '''(positive review)'''
* #10021: Empty `LatticePolytope` fails '''(positive review)'''
* #10022: `Cone.is_smooth()` returns wrong answer '''(positive
review)'''
Currently working on:
* #9972: Add toric lattice morphisms
* #9664: Graphical representation of fans
* #9713: Add the toric Chow group
The following two patches will probably become prerequisites at one point:
* #9798: accelerate Polyhedron
* #9918: triangulate point configurations
Depending on them:
* #10023: Compute Hilbert basis of cone
--
Comment(by vbraun):
`trac_9664_add_toric_potter.patch` depends on
`trac_9972_add_toric_lattice_morphisms.patch`. No logical dependency, but
thats how the patch works out. I don't think order matters too much on
that one, just wanted to get it right.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9604#comment:25>
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