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Cochains and Homotopy Type

Michael A. Mandell

math.ATarXiv:math/0311016

Abstract

Finite type nilpotent spaces are weakly equivalent if and only if their singular cochains are quasi-isomorphic as E-infinity algebras. The cochain functor from the homotopy category of finite type nilpotent spaces to the homotopy category of E-infinity algebras is faithful but not full.

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