#19499: Mathon's graphs on 784 vertices
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Reporter: dimpase | Owner:
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.10
Component: graph theory | Resolution:
Keywords: | Merged in:
Authors: Dima Pasechnik | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/dimpase/mathon784 | 6c7e85187a0d695ef3856b83d08eaaa0520f1fc0
Dependencies: | Stopgaps:
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Comment (by dimpase):
Replying to [comment:9 ncohen]:
> > a proper assoc. schemes module is a lot of work, as you could see by
looking at
> > sect 11 of http://homepages.cwi.nl/~aeb/math/ipm/ipm.pdf --- which
only scratches
> > the surface of this topic.
>
> Yeah yeah yeah, but I'm not asking for any large amount of work. Given
that you write two methods which are related to association schemes and
that we have nowhere to put them, I thought that creating a file with
those two functions would be better.
>
> Of course we couldn't say anything like "Sage supports associations
schemes", but then we wouldn't have to keep those functions in the graph
folder.
it'd actually be just one function, `EllipticLinesProjectivePlaneScheme`,
for `mathon_pseudocylcic_merging_graph` creates a (s.r.) graph, and
functions creating srg's from stuff are normally in graphs modules...
>
> > People would laugh at us if we created a module you propose...
>
> I am very well trained at answering people who laugh at other people's
work.
For me, creating such a module would be a commitment to make it proper
(for I know all too well what should be there), and I have too many of
these already...
(Unless you feel an itch to partake, and in this case I'd go ahead with
this...)
--
Ticket URL: <http://trac.sagemath.org/ticket/19499#comment:10>
Sage <http://www.sagemath.org>
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