Avoiding partial Latin squares and intri
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Amanda G. Chetwynd; Susan J. Rhodes
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Article
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1997
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Elsevier Science
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English
β 768 KB
In this paper we consider the following problem: Given a partial n Γ n latin square P on symbols 1, 2 .... , n, is it possible to find an n x n latin square L on the same symbols which differs from P in every cell? In other words, is P avoidable? We show that all 2k Γ 2k partial latin squares for k