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单词 Solid partition
释义

Solid partition

英语百科

Solid partition

In mathematics, solid partitions are natural generalizations of partitions and plane partitions defined by Percy Alexander MacMahon. A solid partition of  n is a three-dimensional array,  n_{i,j,k}, of non-negative integers (the indices  i,\ j,\  k\geq 1) such that

and

Let p_3(n) denote the number of solid partitions of n. As the definition of solid partitions involves three-dimensional arrays of numbers, they are also called three-dimensional partitions in notation where plane partitions are two-dimensional partitions and partitions are one-dimensional partitions. Solid partitions and their higher-dimensional generalizations are discussed in the book by Andrews.

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更新时间:2025/6/18 13:23:06