On the generalized Fréchet functional equation with constant coefficients and its stability
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DOI: 10.1007/s00010-017-0536-1
Abstract: We study a generalization of the Fréchet functional equation, stemming from a characterization of inner product spaces. We show, in particular, that under some weak additional assumptions each solution of such an equation is additive.… read more here.
Keywords: equation constant; generalized chet; functional equation; equation ... See more keywords