Abstract
We solve a functional equation involving symmetrized weighted quasi-arithmetic means. More precisely we investigate the invariance of the arithmetic mean in the class of symmetrized weighted quasi-arithmetic means. Some regularity on the unknown generator functions is assumed.
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This research has been supported by the Hungarian Scientific Research Fund (OTKA) Grant NK-81402 and OTKA “Mobility” call Human-MB08A-84581.
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Burai, P. Matkowski–Sutô Type Equation on Symmetrized Weighted Quasi-Arithmetic Means. Results. Math. 63, 397–408 (2013). https://doi.org/10.1007/s00025-011-0204-z
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DOI: https://doi.org/10.1007/s00025-011-0204-z