Matkowski contractions and Hyers-Ulam stability. (English) Zbl 1240.39059
Summary: We use the Matkowski’s fixed point theorem to obtain a new general result concerning the Hyers-Ulam stability of a functional equation in a single variable.
MSC:
39B82 | Stability, separation, extension, and related topics for functional equations |
39B52 | Functional equations for functions with more general domains and/or ranges |