connecting homomorphism

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English[edit]

Noun[edit]

connecting homomorphism (plural connecting homomorphisms)

  1. (homological algebra) The homomorphism constructed by the snake lemma, leading to a particular exact sequence of kernels and cokernels.
    1. (algebraic topology) Such a homomorphism in the context of exact sequences of chain complexes, leading to a long exact sequence of homology groups.
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