2005/08/11 | 非结合乘积[Nonassociative Product]
类别(∑〖数学〗) | 评论(0) | 阅读(25) | 发表于 20:34
The number of nonassociative -products with elements preceding the rightmost left parameter is
(1)

(2)

where is a binomial coefficient. The number of -products in a nonassociative algebra is
(3)

where is a Catalan number, 1, 1, 2, 5, 14, 42, 132, ... (Sloane's A000108).
0

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