A Combinatorial Proof for the Football P
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Patric R.J. ΓstergΓ₯rd
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Article
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1996
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Elsevier Science
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English
β 171 KB
Consider the set F 6 3 of all 6-tuples x 0 x 1 x 2 x 3 x 4 x 5 with x i # [0, 1, 2]. It is known that there is a subset C of F 6 3 with 73 elements such that, for any x # F 6 3 , there is a word in C that differs from x in at most one coordinate. We show that there exists such a set C with a clear s