#16559: Brouwer-Van Rees version of Wilson's decomposition
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Reporter: ncohen | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.3
Component: combinatorial | Resolution:
designs | Merged in:
Keywords: | Reviewers:
Authors: Nathann Cohen | Work issues:
Report Upstream: N/A | Commit:
Branch: u/ncohen/16559 | 30370573b908d3f1f132f1fa87ced73326e1b9b4
Dependencies: #16500 | Stopgaps:
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Comment (by vdelecroix):
You do not need a function to build an incomplete array. Here is the
`OA(4,6)-OA(4,2)` from Horton
{{{
OA = [
[1,1,5,1],[1,2,6,2],[1,3,3,5],[1,4,4,6],[1,5,1,3],[1,6,2,4],
[2,1,2,6],[2,2,1,5],[2,3,6,1],[2,4,5,2],[2,5,3,4],[2,6,4,3],
[3,1,6,4],[3,2,5,3],[3,3,1,6],[3,4,2,5],[3,5,4,1],[3,6,3,2],
[4,1,4,5],[4,2,3,6],[4,3,5,4],[4,4,6,3],[4,5,2,2],[4,6,1,1],
[5,1,1,2],[5,2,4,4],[5,3,2,3],[5,4,3,1],
[6,1,3,3],[6,2,2,1],[6,3,4,2],[6,4,1,4]]
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/16559#comment:8>
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