#18997: Unitary and symplectic polar graphs
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Reporter: | Owner:
dimpase | Status: new
Type: | Milestone: sage-6.9
enhancement | Resolution:
Priority: major | Merged in:
Component: graph | Reviewers:
theory | Work issues:
Keywords: | Commit:
Authors: | 971476d1d7bb4a32cacf70c1d8de478295423aa9
Report Upstream: N/A | Stopgaps:
Branch: |
u/dimpase/unitary |
Dependencies: |
#18972 |
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Comment (by dimpase):
Replying to [comment:6 ncohen]:
> > we are already building `GQ(q,q)` and `GQ(q,q^2)`;
>
> Oh, really?
yes, sure, it's `OrthogonalPolarGraph(5,q)` and
`OrthogonalPolarGraph(6,q,'-')`.
>Shouldn't they be incidence structures in their most natural form
instead? I thought that it would make more sense to have a
`hypergraphs.generalized_quadrangle` that would then be called by graph
constructors.
well, they are a part of a more general construction, polar spaces. We can
have `hypergraphs.polar_space` of which
`hypergraphs.generalized_quadrangle` is a subclass...
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Ticket URL: <http://trac.sagemath.org/ticket/18997#comment:7>
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