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A fixed point approach to stability of functional equations |
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| Authors: | Janusz Brzd?k |
| Abstract: | We prove a simple fixed point theorem for some (not necessarily linear) operators and derive from it several quite general results on the stability of a very wide class of functional equations in single variable. |
| Keywords: | Hyers-Ulam stability Fixed point Functional equation in single variable Nonlinear operator |
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