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Journal of rafael (2125)

Monday March 10, 2003
03:41 PM

Smoke squares

[ #10973 ]
This is maybe of some interest beyond P5P... where I posted a short plan about improving smoke coverage with graeco-latin squares.

By the way, thanks to everyone who expressed support for the P5P summaries. I promise that one I get more time & tuits, I'll begin to write them again.

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  • Georges Perec used and order 10 graeco-latin square for the powerful set of constraints at work in La vie mode d'emploi [] ( Life a user's manual [] ).

    But I thought that graeco-latin squares did not exist for every value of n? After a little digging around with Google, I found that graeco-latin squares do not exist for n=3k.

    • Yeah, I've read it. In fact I've read almost all what Perec published. Except Les Revenentes, completely unreadable.

      AFAIK there are graeco-latin squares for every n>2, n!=6. See the links provided in my mail. -- The real challenge is actually to figure out a good combination of configuration options.