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On the Möbius function of Hom(P, Q)

Published online by Cambridge University Press:  17 April 2009

T.P. Speed
T.P. Speed
Affiliation:
Division of Mathematics and Statistics, CSIRO, GPO Box 1965, Canberra, ACT 2601, Australia.
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Abstract

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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.

Type
Research Article
Information
Bulletin of the Australian Mathematical Society , Volume 29 , Issue 1 , February 1984 , pp. 39 - 46
Copyright
Copyright © Australian Mathematical Society 1984

References

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