#18934: New (v,6,1)-BIBD with v<=201
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Reporter: ncohen | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.8
Component: combinatorial | Resolution:
designs | Merged in:
Keywords: | Reviewers:
Authors: Nathann Cohen | Work issues:
Report Upstream: N/A | Commit:
Branch: u/ncohen/18934 | 11e9f1f3b3b9a64326bfe71dc1bf96c91fe52de6
Dependencies: | Stopgaps:
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Old description:
> This branch adds new BIBD to our database. They are stolen from the La
> Jolla Covering Repository (https://www.ccrwest.org/cover.html), and are
> useful to generate strongly regular graphs from Brouwer's database
> (http://www.win.tue.nl/~aeb/)
>
> Nathann
New description:
This branch adds new BIBD to our database. Some are stolen from the La
Jolla Covering Repository (https://www.ccrwest.org/cover.html), and other
from the handboo of combinatorial designs.
They will be useful to generate strongly regular graphs from Brouwer's
database #18948 (http://www.win.tue.nl/~aeb/)
Nathann
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Comment (by ncohen):
Yo,
> well, I read the ticket description, and it tells a different story :-)
Oh, true.
> for these values for parameters? (And contributing the other
implementations upstream?)
Because it would means that anything that uses those constructions
requires internet. And that database does not contain anything above
v=100.
Nathann
--
Ticket URL: <http://trac.sagemath.org/ticket/18934#comment:12>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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