Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4624260 | Journal of Mathematical Analysis and Applications | 2006 | 15 Pages |
Abstract
If M is a mean on and M(f(x1),f(x2),…,f(xn))=f(M(x1,x2,…,xn)) then we say that M is invariant under f. The problem is to find a class of functions that by invariance determines a mean uniquely. We focus on the geometric mean, which can be transformed to obtain results for other means.
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