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On the stability of the orthogonality equation and the orthogonality-preserving property with two unknown functions - MaRDI portal

On the stability of the orthogonality equation and the orthogonality-preserving property with two unknown functions (Q728000)

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scientific article; zbMATH DE number 6667682
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English
On the stability of the orthogonality equation and the orthogonality-preserving property with two unknown functions
scientific article; zbMATH DE number 6667682

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    On the stability of the orthogonality equation and the orthogonality-preserving property with two unknown functions (English)
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    21 December 2016
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    orthogonality equation
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    orthogonality-preserving mappings
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    linear isometries
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    Hilbert spaces
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