Snake lemma (nonfiction): Difference between revisions
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In [[mathematics]], the '''snake lemma''' is a tool used to construct long exact sequences. | In [[Mathematics (nonfiction)|mathematics]], the '''snake lemma''' is a tool used 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. | 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. | ||
Latest revision as of 11:10, 17 September 2016
In mathematics, the snake lemma is a tool used 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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Fiction cross-reference
Nonfiction cross-reference
External links:
- Snake lemma @ Wikipedia
- Homological algebra @ Wikpedia
- Algebraic topology @ Wikipedia
- Exact sequence @ Wikipedia