Abstract

AbstractLet and . The integer partition of n is said to be realized if there is a latin square of order n with pairwise disjoint subsquares of order for each . In this paper, we construct latin squares realizing partitions of the form ; that is, partitions with s parts of size a and t parts of size b, where . Heinrich (1982) showed that (1) if and , then there is a latin square realizing , (2) is realized if and only if , and (3) is realized if and only if . In this paper, we resolve the open cases. We show that is realized if and only if and is realized if and only if .

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