Geodesic
A note on Möbius inversion over power set lattices
Commentationes Mathematicae Universitatis Carolinae, Tome 38 (1997) no. 1, pp. 121-124.

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In this paper, we establish a theorem on Möbius inversion over power set lattices which strongly generalizes an early result of Whitney on graph colouring.
Classification : 05A15, 05C15, 05C65, 06A07, 06E99
Keywords: Möbius inversion; power set lattices; graphs; hypergraphs; colourings 
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Dohmen, Klaus. A note on Möbius inversion over power set lattices. Commentationes Mathematicae Universitatis Carolinae, Tome 38 (1997) no. 1, pp. 121-124. http://geodesic.mathdoc.fr/item/CMUC_1997__38_1_a9/