#15431: Transversal Design TD(6,12)
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Reporter: | Owner:
ncohen | Status: needs_review
Type: | Milestone: sage-6.2
enhancement | Resolution:
Priority: major | Merged in:
Component: | Reviewers:
combinatorics | Work issues:
Keywords: | Commit:
Authors: | 47ffd9153b474fbf2b4f560e726b0cfdbcb0af53
Nathann Cohen | Stopgaps:
Report Upstream: N/A |
Branch: |
u/ncohen/15431 |
Dependencies: |
#15287 #15368 |
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Comment (by ncohen):
Okay, back to the beginning.
A long time ago, you asked me to change the definition of transversal
design to add the parameter `t`. I did it, because to me a TD and an OA
are equivalent things, but it turns out that it is a mistake, a TD is a
vision of an OA with t=2. I just checked, and did not find any definition
of a TD which is not just about pairs of elements.
So if you agree, I will revert the changes I did to the doc of TD, and TD
will only handle pairs, as it seems that for everybody in the math world a
TD is an OA with t=2.
Which means that the two objects are not equivalent, which means that
there is no problem anymore. What do you think ?
Nathann
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Ticket URL: <http://trac.sagemath.org/ticket/15431#comment:19>
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