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Title: Hyperstability of the Fréchet Equation and a Characterization of Inner Product Spaces
Authors: Bahyrycz, Anna
Brzdęk, Janusz
Piszczek, Magdalena
Sikorska, Justyna
Keywords: Fréchet Equation
Issue Date: 2013
Citation: Journal of Function Spaces and Applications, Vol. 2013, art. ID 496361
Abstract: We prove some stability and hyperstability results for the well-known Fr´echet equation stemming fromone of the characterizations of the inner product spaces. As the main tool, we use a fixed point theorem for the function spaces.We finish the paper with some new inequalities characterizing the inner product spaces.
DOI: 10.1155/2013/496361
ISSN: 0972-6802
Appears in Collections:Artykuły (WNŚiT)

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