On Wed, 7 Jul 2021, 22:36 kcrisman, <kcris...@gmail.com> wrote:
>
> Normaliz already supports half-open polyhedra, see section 3.12 ("open
>> facets") in the Normaliz manual
>> see https://github.com/Normaliz/Normaliz/blob/master/doc/Normaliz.pdf
>>
>
> Thank you! But, based on the tickets I've just been cc:ed on, probably
> there is no current easy Sage interface for these? Also, it's only
> certain of the inequalities I would want to be strict - is that too much to
> ask? Maybe "Semiopen polyhedra" is more like what I'm looking for - I do
> not know the facets, only the inequalities, which in more complicated
> examples than the one I provided tend to have nontrivial interactions.
>
I presume you can enumerate vertices and facets, or remove redundant
inequalities in a more direct way.
Algorithmically these are easier tasks than counting integer points, IMHO.
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