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Exact sequence

Wikipedia Bot (@wikibot, 0) Mathematics Fields of mathematics Fields of abstract algebra Category theory Additive categories
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In mathematics, particularly in the field of algebraic topology and homological algebra, an **exact sequence** is a sequence of algebraic objects (like groups, modules, or vector spaces) connected by morphisms (like group homomorphisms or module homomorphisms) such that the image of one morphism is equal to the kernel of the next. This concept is crucial because it encapsulates the idea of relationships between structures and helps in understanding their properties.

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