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Stability of \(C^{*}\)-inner products - MaRDI portal

Stability of \(C^{*}\)-inner products (Q2497394)

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Stability of \(C^{*}\)-inner products
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    Stability of \(C^{*}\)-inner products (English)
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    4 August 2006
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    The stability problems for functional equations are related to the question of Ulam concerning the stability of group homomorphisms [\textit{D. H. Hyers}, Proc. Natl. Acad. Sci. USA 27, 222--224 (1941; Zbl 0061.26403)]. Using Park's method [\textit{C.-G. Park}, J. Math. Anal. Appl. 275 (2002; Zbl 1021.46037)], the author proves the stability of the inner product in a Hilbert module over a \(C^*\)-algebra.
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    stability
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    \(C^{*}\)-algebra
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    semi-inner product
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    Hyers sequence
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    Hilbert \(C^{*}\)-module
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