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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.

### MSC:

39B82 | Stability, separation, extension, and related topics for functional equations |

39B52 | Functional equations for functions with more general domains and/or ranges |

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\textit{N. Brillouët-Belluot} et al., Abstr. Appl. Anal. 2012, Article ID 716936, 41 p. (2012; Zbl 1259.39019)

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