#19226: some (collinearity graphs of) GQ(q-1,q+1)
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Reporter: | Owner:
dimpase | Status: needs_work
Type: | Milestone: sage-6.9
enhancement | Resolution:
Priority: major | Merged in:
Component: graph | Reviewers: Nathann Cohen
theory | Work issues:
Keywords: | Commit:
Authors: | d4cc95be16dcf1b402bea40ae73f83833487b8ce
Report Upstream: N/A | Stopgaps:
Branch: |
u/dimpase/GQ |
Dependencies: |
#19136 |
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Comment (by dimpase):
Replying to [comment:9 ncohen]:
> Just wondered about something troublesome. Why are these graph
constructors? You say explicitly that you build an incidence structure
then its colinearity graph. Shouldn't they be hypergraph constructors
instead?
this equally applies to most graphs in generators/classical_geometries.
(they are polar spaces, as I told you long ago: cf
http://trac.sagemath.org/ticket/14532#comment:17 and later comments there)
(and probably to more "sporadic" graphs...)
so this is a massive rewrite, and not much fun...
--
Ticket URL: <http://trac.sagemath.org/ticket/19226#comment:11>
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