Short five lemma
- 短五引理(同调代数中的短五引理是五引理的特例,断言在阿贝尔范畴或群范畴中,若横行正合且同构,则纵行也同构。假设有态射,其在子对象及商对象上诱导的态射皆同构,则本身也同构。重点是需先假设存在性)
Short five lemma
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abstract:
In mathematics, especially homological algebra and other applications of abelian category theory, the short five lemma is a special case of the five lemma.
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WordNet