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Cochain multiplications
- American Journal of Mathematics
- Johns Hopkins University Press
- Volume 124, Number 3, June 2002
- pp. 547-566
- 10.1353/ajm.2002.0017
- Article
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We describe a refinement of the Eilenberg-Steenrod axioms that provides a necessary and sufficient condition for functors from spaces to differential graded algebras or E∞ differential graded algebras to be naturally quasi-isomorphic to the singular cochain functor.