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arxiv 1805.11278 v2 pith:33S5KGAG submitted 2018-05-29 math.CO

Partition problems in high dimensional boxes

classification math.CO
keywords boxesdimensionalpartitionpropersub-boxesalonapproximatelyasked
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Alon, Bohman, Holzman and Kleitman proved that any partition of a $d$-dimensional discrete box into proper sub-boxes must consist of at least $2^d$ sub-boxes. Recently, Leader, Mili\'{c}evi\'{c} and Tan considered the question of how many odd-sized proper boxes are needed to partition a $d$-dimensional box of odd size, and they asked whether the trivial construction consisting of $3^d$ boxes is best possible. We show that approximately $2.93^d$ boxes are enough, and consider some natural generalisations.

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