#16662: OA for n=1046,1059,2164,3992,3994
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Reporter: ncohen | Owner:
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-6.4
Component: combinatorial | Resolution:
designs | Merged in:
Keywords: | Reviewers:
Authors: Nathann Cohen | Work issues:
Report Upstream: N/A | Commit:
Branch: u/ncohen/16662 | 2f936c57507cbd475f860a76b94ed44882d7de7b
Dependencies: #16604 | Stopgaps:
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Comment (by ncohen):
Yo !
> I edited my commit. I did not add a commit. My last commit in my branch
is 68a2d99 and not 2f936c5.
Oh, I see. I think that this N-2 is correct after all, however. If n=N-2,
then it means that there are at most two points in the last 4 columns,
i.e. that at most two columns are used. And because all pairs of points
are equivalent, this is already handled by the wilson construction with
two truncated columns.
I had written some code which I hoped would improve the performances of
this function, but well... It produced no difference whatsoever. And I
don't know why yet, so let's get this in.
Perhaps the cached "all_n" function will change something `:-/`
Nathann
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Ticket URL: <http://trac.sagemath.org/ticket/16662#comment:35>
Sage <http://www.sagemath.org>
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