Approximately linear functionals on Hilbert spaces

DOI10.1006/jmaa.1998.6072zbMath0923.46025OpenAlexW2015583380MaRDI QIDQ1272868

Peter Šemrl

Publication date: 2 December 1998

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jmaa.1998.6072

zbMATH Keywords

unital Banach algebraapproximately linear functionalbounded functional

Mathematics Subject Classification ID

Inner product spaces and their generalizations, Hilbert spaces (46C99)

Related Items (2)

Generalized stability of isometries ⋮ Stability of the orthogonality preserving property in finite-dimensional inner product spaces

Cites Work

• Unnamed Item
• Perturbations of Banach algebras
• Cauchy's functional equation in the mean
• On stability of additive mappings
• Approximate versions of Cauchy's functional equation
• Hyers-Ulam stability of functional equations in several variables
• Approximately Multiplicative Functionals
• Approximately Multiplicative Maps Between Banach Algebras
• On the Stability of the Linear Functional Equation

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