Rational extensions of the representation ring global functor and a splitting of global equivariant $K$-theory

Christian Wimmer

We identify the group of homomorphisms ${\mathrm{Hom}}_{\mathcal{GF}}(F,{\mathbf{RU}}_{\mathbb{Q}})$ in the category of ($\mathrm{fin}$)-global functors to the rationalizati…