Browsing by Subject "Exponential morphism"

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    Tornehave morphisms III: the reduced Tornehave morphism and the Burnside unit functor
    (Elsevier, 2016) Barker, L.
    We shall show that a morphism anticipated by Tornehave induces (and helps to explain) Bouc's isomorphism relating a quotient of the Burnside unit functor (measuring a difference between real and rational representations of finite 2-groups) and a quotient of the kernel of linearization (measuring a difference between rhetorical and rational 2-biset functors). © 2015 Elsevier Inc.