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Results tagged with functional-equations
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user 16537
5
votes
Accepted
On a generalization of the classical Cauchy's functional equation
As I have just learned from Janusz Matkowski, this follows from Theorems 5.5.2 and 18.2.1 in Kuczma's book (the same mentioned in my comments to the OP), after ruling out the trivial case when the con …
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