Results 1 to 10 of about 111 (111)

Hyers‐Ulam‐Rassias‐Wright Stability for Fractional Oscillation Equation [PDF]

open access: yesDiscrete Dynamics in Nature and Society, 2022
In this paper, we consider the nonhomogeneous fractional delay oscillation equation with order σ and introduce a class of control functions, i.e., Wright functions. Next, we apply the Cădariu‐Radu method to prove the existence of a unique solution and Hyers‐Ulam‐Rassias‐Wright stability of the fractional delay oscillation equation.
Zahra Eidinejad, Reza Saadati
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Hyers-Ulam-Rassias stability of (m, n)-Jordan derivations [PDF]

open access: yesOpen Mathematics, 2020
Abstract In this paper, we study the Hyers-Ulam-Rassias stability of ( m , n ) (m ...
An Guangyu, Yao Ying
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Hyers–Ulam–Rassias Stability of Hermite’s Differential Equation

open access: yesMathematics, 2022
In this paper, we studied the Hyers–Ulam–Rassias stability of Hermite’s differential equation, using Pachpatte’s inequality. We compared our results with those obtained by Blaga et al. Our estimation for zx−yx, where z is an approximate solution and y is an exact solution of Hermite’s equation, was better than that obtained by the authors previously ...
Daniela Marian   +2 more
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Hyers‐Ulam‐Rassias stability of generalized derivations [PDF]

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2006
The generalized Hyers‐Ulam‐Rassias stability of generalized derivations on unital Banach algebras into Banach bimodules is established.
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Hyers–Ulam–Rassias Stability of Additive Mappings in Fuzzy Normed Spaces [PDF]

open access: yesJournal of Mathematics, 2021
In this paper, the Hyers–Ulam–Rassias stabilities of two functional equations, f a x + b y
Jianrong Wu, Lingxiao Lu
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Hyers-Ulam-Rassias Stability of a General Septic Functional Equation

open access: yesJournal of Advances in Mathematics and Computer Science, 2022
In this paper, we investigate the stability of the following general septic functional equation:                                                                 \(\sum_{i=0}^8{ }_8 C_i(-1)^{8-i} f(x+(i-4) y)=0\)which is a generalization of many functional equations such as the additive functional equation, the quadratic functional equation, the cubic ...
Jin, Sun-Sook, Lee, Yang-Hi
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On Hyers–Ulam–Rassias Stability of the Pexider Equation

open access: yesJournal of Mathematical Analysis and Applications, 1999
Let \((G,+)\) be an abelian group, \((X,\|\cdot\|)\) be a Banach space and \(f,g,h:G\rightarrow X\) be mappings. An equation \(f(x+y)=g(x)+h(y)\) is called a Pexider functional equation. In the paper the stability of that equation in the spirit of Hyers-Ulam-Rassias is considered. The main theorem is the following: Let \(\varphi:G\times G\rightarrow[0,\
Jun, Kil-Woung   +2 more
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HYERS-ULAM-RASSIAS STABILITY OF A QUADRATIC TYPE FUNCTIONAL EQUATION [PDF]

open access: yesBulletin of the Korean Mathematical Society, 2003
The authors prove that if a function \(f\), from a real vector space \(X\) into a real vector space \(Y\), satisfies the function equation \[ \begin{multlined} Df(x,y,z):= a^2 f\Biggl({x+ y+ z\over a}\Biggr)+ a^2 f\Biggl({x- y+z\over a}\Biggr)+ a^2 f\Biggl({x+ y-z\over a}\Biggr)\\ +a^2 f\Biggl({-x+ y+z\over a}\Biggr)- 4f(x)- 4f(y)- 4f(z)= 0\end ...
Lee, Sang Han, Jun, Kil-Woung
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Monotone iterative techniques together with Hyers‐Ulam‐Rassias stability

open access: yesMathematical Methods in the Applied Sciences, 2019
In this article, the first purpose is treating a coupled system of nonlinear boundary value problems (BVPs) of fractional‐order differential equations (FODEs) for existence of solutions. The corresponding fractional‐order derivative is taken in Riemann‐Liouville sense. The require results for iterative solutions are obtained by using monotone iterative
Kamal Shah   +4 more
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Hyers–Ulam–Rassias Stability of an Equation of Davison

open access: yesJournal of Mathematical Analysis and Applications, 1999
Let \(E_1\) be a normed algebra with a unit element, \(E_2\) be a Banach space and let \(f:E_1\rightarrow E_2\). In the paper the Hyers-Ulam-Rassias stability of the Davison functional equation \[ f(xy)+f(x+y)=f(xy+x)+f(y) \] is proved. As a consequence of the main theorem the authors obtain among others the following: Let \(\varepsilon\geq 0\) and \(p\
Jung, Soon-Mo, Sahoo, Prasanna K
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