exact sequence

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exact sequence

Wikipedia

Noun

exact sequence (plural exact sequences)

1. (algebra) A sequence of modules (or groups, vector spaces, etc.; most generally, objects of an abelian category) with adjacent objects connected by homomorphisms (generally, morphisms) such that the image of one homomorphism is the kernel of the next.

Hypernyms

• chain complex

Derived terms

• long exact sequence
• short exact sequence