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单词 Connecting homomorphism
释义

Connecting homomorphism

中文百科

蛇引理 Snake lemma

(重定向自Connecting homomorphism)

在同调代数中,蛇引理是构造长正合串行的关键工具,此引理在任何阿贝尔范畴中皆成立。依此构造的同态通常称作链接同态

英语百科

Snake lemma 蛇引理

(重定向自Connecting homomorphism)

The snake lemma is a tool used in mathematics, particularly homological algebra, to construct long exact sequences. The snake lemma is valid in every abelian category and is a crucial tool in homological algebra and its applications, for instance in algebraic topology. Homomorphisms constructed with its help are generally called connecting homomorphisms.

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