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Approximate Isomorphisms in C *-Algebras

Approximate Isomorphisms in C *-Algebras This paper is a survey on the Hyers–Ulam–Rassias stability of the following Cauchy–Jensen functional equation in C *-algebras: $$2f\biggl(\frac{x+y}{2}+z\biggr)=f(x)+f(y)+2f(z).$$ The concept of Hyers–Ulam–Rassias stability originated from the Th.M. Rassias’ stability theorem (Rassias in Proc. Am. Math. Soc. 72:297–300, [1978]). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Applicandae Mathematicae Springer Journals

Approximate Isomorphisms in C *-Algebras

Acta Applicandae Mathematicae , Volume 102 (1) – Jan 23, 2008

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References (49)

Publisher
Springer Journals
Copyright
Copyright © 2008 by Springer Science+Business Media B.V.
Subject
Mathematics; Mathematics, general; Computer Science, general; Theoretical, Mathematical and Computational Physics; Complex Systems; Classical Mechanics
ISSN
0167-8019
eISSN
1572-9036
DOI
10.1007/s10440-008-9210-x
Publisher site
See Article on Publisher Site

Abstract

This paper is a survey on the Hyers–Ulam–Rassias stability of the following Cauchy–Jensen functional equation in C *-algebras: $$2f\biggl(\frac{x+y}{2}+z\biggr)=f(x)+f(y)+2f(z).$$ The concept of Hyers–Ulam–Rassias stability originated from the Th.M. Rassias’ stability theorem (Rassias in Proc. Am. Math. Soc. 72:297–300, [1978]).

Journal

Acta Applicandae MathematicaeSpringer Journals

Published: Jan 23, 2008

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