On the Möbius function of Hom(P, Q)
On the Möbius function of Hom(P, Q)
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关于 Hom(P, Q) 的莫比乌斯函数
DOI:
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发表时间:
1984
影响因子:
0.7
通讯作者:
T. Speed
中科院分区:
文献类型:
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作者:
T. Speed
A formula is given for the Möbius function of the poset Hom(P, Q) of all order-preserving maps between two finite posets P and Q. Two applications of the formula are presented.