Journal article

ON THE MOBIUS FUNCTION OF HOM(P,Q)

TP SPEED

BULLETIN OF THE AUSTRALIAN MATHEMATICAL SOCIETY | AUSTRALIAN MATHEMATICS PUBL ASSOC INC | Published : 1984

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.

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