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On some recent developments in Ulam’s type stability. (English) Zbl 1259.39019
Summary: We present a survey of some selected recent developments (results and methods) in the theory of Ulam’s type stability. In particular, we provide some information on hyperstability and the fixed point methods.

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39B82Stability, separation, extension, and related topics
39B52Functional equations for functions with more general domains and/or ranges
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References:
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