English Explanatory Dictionary

Möbius function

English dictionary entry

Meanings

noun
  1. 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.

Word forms

Möbius function

Etymology

Named after August Ferdinand Möbius (1790–1868), a German mathematician and theoretical astronomer who introduced it in 1832.

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