a Universitat de Barcelona, Departament d'Àlgebra i Geometria, Gran Via de les Corts Catalanes, 585, 08007 Barcelona, Spain b London Metropolitan University, 166-220 Holloway Road, London N7 8DB, UK
Abstract:
We give a small functorial algebraic model for the 2-stage Postnikov section of the K-theory spectrum of a Waldhausen category and use our presentation to describe the multiplicative structure with respect to biexact functors.