#13525: PALP/Laurent Normal Form
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Reporter: sjg10 | Owner: mhampton
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.4
Component: geometry | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: sjg10 | Merged in:
Dependencies: | Stopgaps:
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Comment (by sjg10):
Thanks all, fixing up the small issues now. Regarding what [comment:6
trehn] said, firstly, `LatticePolytope` does not inherit at all from
`Polyhedron` and there does not seem to be an easy way to cast between the
two, though as an aside, maybe this should be rectified?
Secondly it is possible, and such was the intent (though I haven't
personally checked this out, but have been told) that checking if a
permutation corresponds to a GL(n,ZZ) transformation is a more hefty
computation than constructing the face lattice. Doing so (especially as it
is decorated with some lattice polytope invariants) and reducing the
number of permutations to check, over just finding the combinatorial
automorphisms and checking all of these may be quicker.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13525#comment:7>
Sage <http://www.sagemath.org>
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