| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 840764 | Nonlinear Analysis: Theory, Methods & Applications | 2012 | 8 Pages |
Abstract
In this paper we prove the generalized Hyers–Ulam stability of the system defining multi-additive mappings and an equation which characterizes these mappings in ββ-Banach spaces. We thus generalize some previous results obtained in classical Banach spaces. In order to get our outcomes we use both direct and fixed point methods.
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Authors
Krzysztof Ciepliński,