Abstract
We prove that the superstability of some functional equations (e.g., of Cauchy, d’Alembert, Wilson, Reynolds, and homogeneity) is a consequences of two simple theorems. In this way we generalize several classical superstability results.
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Brzdȩk, J., Najdecki, A. & Xu, B. Two general theorems on superstability of functional equations. Aequat. Math. 89, 771–783 (2015). https://doi.org/10.1007/s00010-014-0266-6
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DOI: https://doi.org/10.1007/s00010-014-0266-6