411 REFERENCE · Wiktionary
Möbius function
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named after August Ferdinand Möbius (1790–1868), a German mathematician and theoretical astronomer who introduced it in 1832.
Noun
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en combinatorics A function from the natural numbers to the set {−1, 0, 1} which maps perfect squares to 0, prime numbers to −1, and is multiplicative. en Functions
Translations
Portuguese: pt função de Möbius f
en eponyms