单词 | Liouville function |
释义 | Liouville function [`lyü´vēl ´fǝŋk·shǝn] MATHEMATICS A function λ(n ) on the positive integers such that λ(1) = 1, and for n ≧ 2, λ(n ) is -1 raised to the number of prime factors of n, with repeated factors counted the number of times they appear. |
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