Journal article
On the Möbius function of Hom(P, Q)
TP Speed
Bulletin of the Australian Mathematical Society | AUSTRALIAN MATHEMATICS PUBL ASSOC INC | Published : 1984
Open access
Abstract
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. © 1984, Australian Mathematical Society. All rights reserved.