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Related papers: On the Stability of J*-Homomorphisms

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In this paper, we investigate homomorphisms between $C^*$-ternary algebras and derivations on $C^*$-ternary algebras, associated with the following functional equation…

Operator Algebras · Mathematics 2008-12-17 M. Bavand Savadkouhi , M. Eshaghi Gordji , N. Ghobadipour

In this paper, we establish the generalized Hyers--Ulam--Rassias stability of homomorphisms between ternary algebras associted to the generalized Jensen functional equation $r f(\frac{sx+ty}{r}) = s f(x) + t f(y)$.

Functional Analysis · Mathematics 2021-07-23 Mohammad Sal Moslehian , Laszlo Szekelyhidi

In this paper, we introduce the idea of $\ast$-homomorphism on a Hilbert $C^{*}$-module. Furthermore, we prove the Hyers-Ulam stability of homomorphisms and $\ast$-homomorphisms on Hilbert $C^{*}$-modules using the fixed point method.

Operator Algebras · Mathematics 2025-03-25 Sajjad Khan , Choonkil Park

In this paper, we establish the generalized Hyers--Ulam--Rassias stability of $C^*$-ternary ring homomorphisms associated to the Trif functional equation \begin{eqnarray*} d \cdot C_{d-2}^{l-2} f(\frac{x_1+... +x_d}{d})+…

Functional Analysis · Mathematics 2008-04-30 Mohammad Sal Moslehian

This paper explores the Hyers-Ulam stability of generalized Jensen additive and quadratic functional equations in \(\beta\)-homogeneous \(F\)-space, showing that approximately satisfying mappings have a unique exact approximating…

Functional Analysis · Mathematics 2025-08-15 Jing Zhang , Qi Liu , Yongmo Hu , Linlin Fu , Yuxin Wang , Jinyu Xia , John Michael Rassias , Choonkil Park , Yongjin Li

We prove some stability results for certain classes of C*-algebras. We prove that whenever $A$ is a finite-dimensional C*-algebra, $B$ is a C*-algebra and $\phi\colon A\to B$ is approximately a $^*$-homomorphism then there is an actual…

Operator Algebras · Mathematics 2016-07-04 Paul McKenney , Alessandro Vignati

In this paper, we establish the Hyers--Ulam--Rassias stability of ring homomorphisms and ring derivations on fuzzy Banach algebras.

Functional Analysis · Mathematics 2009-04-23 M. Eshaghi Gordji , N. Ghobadipour

The generalized Hyers--Ulam--Rassias stability of generalized derivations on unital Banach algebras into Banach bimodules is established.

Functional Analysis · Mathematics 2021-07-23 Mohammad Sal Moslehian

This paper introduces the concept of Hyers-Ulam stability for linear relations in normed linear spaces and presents several intriguing results that characterize the Hyers-Ulam stability of closed linear relations in Hilbert spaces.…

Functional Analysis · Mathematics 2025-01-28 Arup Majumdar

We introduce the concept of $\theta$-derivations on $JB^*$-triples, and prove the Hyers--Ulam--Rassias stability of $\theta$-derivations on $JB^*$-triples.

Functional Analysis · Mathematics 2011-11-09 C. Baak , M. S. Moslehian

We give simple and unified proofs of the known stability and rigidity results for Lie algebras, Lie subalgebras and Lie algebra homomorphisms. Moreover, we investigate when a Lie algebra homomorphism is stable under all automorphisms of the…

Representation Theory · Mathematics 2013-07-31 Marius Crainic , Florian Schaetz , Ivan Struchiner

The primary objective of this paper is to introduce Hyers-Ulam-type stability results for monotone, subadditive, and convex graphs. We consider their standard definitions in an approximate sense and demonstrate the existence of a…

General Mathematics · Mathematics 2026-02-05 Angshuman R. Goswami , Mahmood K. Shihab

In this paper, we establish the generalized Hyers-Ulam stability of Jordan homomorphisms and Jordan derivations between ternary algebras via the generalized Jensen equation $rf(\frac{sx+ty}{r})=sf(x)+tf(y)$.

Functional Analysis · Mathematics 2009-03-09 M. Eshaghi Gordji , E. Rashidi , J. M. Rassias

In this paper, we examine the Hyers-Ulam and Hyers-Ulam-Rassias stability of solutions of a general class of nonlinear Volterra integral equations. By using a fixed point alternative and improving a technique commonly used in similar…

Classical Analysis and ODEs · Mathematics 2021-05-26 Süleyman Öğrekçi , Yasemin Başcı , Adil Mısır

The purpose of this paper is to summarize the recent results on the stability of the parametric fundamental equation of information. Furthermore, by the help of a modification of a method we used in \cite{GM08} we shall give a unified proof…

Classical Analysis and ODEs · Mathematics 2013-07-03 Eszter Gselmann

In this paper, we investigate the generalized Hyers--Ulam--Rassias stability of the system of functional equations $$f(xy)=f(x)f(y), \qquad\qquad. f(2x+y)+f(2x-y)=2f(x+y)+2f(x-y)+12f(x), $$ on Banach algebras. Indeed we establish the…

Classical Analysis and ODEs · Mathematics 2009-03-09 M. Eshaghi Gordji , M. Bavand Savadkouhi

In this paper, using the fixed point and direct methods, we prove the generalized Hyers-Ulam-Rassias stability of a Cauchy-Jensen additive functional equation in various normed spaces. The concept of Hyers-Ulam-Rassias stability originated…

Functional Analysis · Mathematics 2020-02-24 H. Azadi Kenary , Th. M. Rassias

We introduce a new concept of Hyers-Ulam stability, in which in the size of a pseudosolution of a given ordinary differential equation and its deviation from an exact solution are measured with respect to different norms. These norms are…

Classical Analysis and ODEs · Mathematics 2025-02-24 Davor Dragicevic , Masakazu Onitsuka

In this paper, we investigate Jordan *-homomorphisms on $C^*$-algebras associated with the following functional inequality $\|f(\frac{b-a}{3})+f(\frac{a-3c}{3})+f(\frac{3a+3c-b}{3})\| \leq \|f(a)\|.$ We moreover prove the superstability and…

Operator Algebras · Mathematics 2008-12-17 M. Eshaghi Gordji , N. Ghobadipour , C. Park

We give a complete and detailed proof of Harer's stability theorem for the homology of mapping class groups of surfaces, with the best stability range presently known. This theorem and its proof have seen several improvements since Harer's…

Geometric Topology · Mathematics 2013-01-08 Nathalie Wahl
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