Subcommutativity of integrals and quasi-arithmetic means

Dorota Glazowska, Paolo Leonetti, Janusz Matkowski +1

Let $(X,\mathcal{L},\lambda )$ and $(Y,\mathcal{M},\mu )$ be finite measure spaces for which there exist $A\in \mathcal{L}$ and $B\in \mathcal{M}$ with either $0<\lambda (A)<1<\lambda (X)$ and…