#16604: new OA for n=112,160,224,514,796
-------------------------------------+-------------------------------------
Reporter: ncohen | Owner:
Type: enhancement | Status: needs_work
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/16604 | 00654fb8dbffe2134dc0b55ead5cea52dadf1654
Dependencies: #16582 | Stopgaps:
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Changes (by vdelecroix):
* status: needs_review => needs_work
Comment:
Hey Nathann,
In `OA_14_124`, it is not safe to ask for a finite field of size 2^5^ and
hope that, by chance, its generator satisfies `w^5 + w^2 + 1 = 0`. You
would rather give the constructor an explicit polynomial:
{{{
sage: R = PolynomialRing(GF(2),'x')
sage: x = R.gen()
sage: GF(2**5, 'w', modulus=x**5+x**2+1)
Finite Field in w of size 2^5
}}}
and I got a docbuild error
{{{
OSError: [combinat ] None:5: WARNING: citation not found: BvR514
}}}
Vincent
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Ticket URL: <http://trac.sagemath.org/ticket/16604#comment:3>
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