Invariance property for extended means

Paweł Pasteczka

e study the properties of the mean-type mappings $\mathbf{M}:I^p\to I^p$ of the form $${\bf M}(x_1,\dots,x_p):=\big(M_1(x_{α_{1,1}},\dots,x_{α_{1,d_1}}),\dots,M_p(x_{α_{p,1}},\…