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.
@article{118907, author = {Klaus Dohmen}, title = {A note on M\"obius inversion over power set lattices}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {38}, year = {1997}, pages = {121-124}, zbl = {0886.05061}, mrnumber = {1455475}, language = {en}, url = {http://dml.mathdoc.fr/item/118907} }
Dohmen, Klaus. A note on Möbius inversion over power set lattices. Commentationes Mathematicae Universitatis Carolinae, Tome 38 (1997) pp. 121-124. http://gdmltest.u-ga.fr/item/118907/
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