#16334: Toric divisors from fans in sublattices
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Reporter: jkeitel | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.3
Component: algebraic | Resolution:
geometry | Merged in:
Keywords: toric | Reviewers: Andrey Novoseltsev,
Authors: Jan Keitel | Volker Braun
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/jkeitel/toric_divisors_sublattice| 886225d409e93b8dcd3a344e2aa3dc4c1617904e
Dependencies: | Stopgaps:
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Comment (by novoselt):
I think this polyhedron should live in the `fan.dual_lattice()`, so
instead of lifting the generators and taking the intersection with their
span (which is something pretty random), the correct approach is to push
previously used inequalities into this dual lattice (which is a quotient,
so has smaller dimension).
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Ticket URL: <http://trac.sagemath.org/ticket/16334#comment:8>
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