Highly Influential

An (m,m,m)-array of order n is an n×n array such that each cell is assigned a set of at most m symbols from {1, . . . , n} such that no symbol occurs more than m times in any row or column. An (m,m,m)-array is called avoidable if there exists a Latin square such that no cell in the Latin square contains a symbol that also belongs to the set assigned to the… (More)

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