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zbMath0447.06001MaRDI QIDQ3892281

Philip J. Hanlon

Publication date: 1980

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

Möbius function incidence algebra group of order-automorphisms group reduced poset

Mathematics Subject Classification ID

Partial orders, general (06A06) Factorials, binomial coefficients, combinatorial functions (05A10)

Related Items (2)

Reduced finitary incidence algebras and their automorphisms ⋮ Graphical partially ordered sets

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