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单词 Superadditive
释义

Superadditive

英语百科

Superadditivity

(重定向自Superadditive)

In mathematics, a sequence { an }, n ≥ 1, is called superadditive if it satisfies the inequality

for all m and n. The major reason for the use of superadditive sequences is the following lemma due to Michael Fekete.

Lemma: (Fekete) For every superadditive sequence { an }, n ≥ 1, the limit lim an/n exists and is equal to sup an/n. (The limit may be positive infinity, for instance, for the sequence an = log n!.)

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更新时间:2025/6/22 14:02:28