The number of monotone triangles with prescribed bottom row
The number of monotone triangles with prescribed bottom row
复制标题
具有规定底行的单调三角形的数量
DOI:
10.1016/j.aam.2005.03.009
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发表时间:
2005
期刊:
影响因子:
--
通讯作者:
Ilse Fischer
中科院分区:
文献类型:
--
作者:
Ilse Fischer
We show that the number of monotone triangles with prescribed bottom row (k1,…,kn)∈Zn, k1<k2<⋯<kn, is given by a simple product formula which remarkably involves (shift) operators. Monotone triangles with bottom row (1,2,…,n) are in bijection with n×n alternating sign matrices.