Abstract
Certain functional equations, related to the problem of characterization of metrics generated by norms, are considered. The solutions of these equations are strongly connected with additive and isometric mappings.
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Dedicated to Professor János Aczél on his 90th birthday
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Chmieliński, J. On functional equations related to additive mappings and isometries. Aequat. Math. 89, 97–105 (2015). https://doi.org/10.1007/s00010-014-0275-5
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DOI: https://doi.org/10.1007/s00010-014-0275-5