#18997: Unitary and symplectic (dual) 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: | cd864554e81ada74a00759e40ec6edd7bac609ca
Report Upstream: N/A | Stopgaps:
Branch: |
u/dimpase/unitary |
Dependencies: |
#18972 |
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Old description:
> implement the classical unitary (reps. symplectic) polar graphs `U(n,q)`
> (resp. `Sp(2d,q)`), see
> http://www.win.tue.nl/~aeb/graphs/srghub.html
New description:
implement the classical unitary (reps. symplectic) ordinary and dual polar
graphs `U(n,q)` (resp. `Sp(2d,q)`), see
http://www.win.tue.nl/~aeb/graphs/srghub.html for the ordinary ones, and
[BCN89] for the dual ones (for these of diameter bigger than 2).
--
Comment (by dimpase):
actually, there already was `graphs.SymplecticGraph`, so to it I just
added another algorithm to build it, which is faster for fields of size
bigger than 3.
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Ticket URL: <http://trac.sagemath.org/ticket/18997#comment:9>
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