نتایج جستجو برای: rassias stability

تعداد نتایج: 299884  

Journal: :Journal of Mathematical Analysis and Applications 1999

Journal: :Int. J. Math. Mathematical Sciences 2007
Paisan Nakmahachalasint

In 1940, Ulam [1] proposed the famous Ulam stability problem of linear mappings. In 1941, Hyers [2] considered the case of approximately additive mappings f : E→ E′, where E and E′ are Banach spaces and f satisfies Hyers inequality ‖ f (x+ y)− f (x)− f (y)‖ ≤ ε for all x, y ∈ E. It was shown that the limit L(x) = limn→∞ 2−n f (2nx) exists for all x ∈ E and that L : E→ E′ is the unique additive ...

Journal: :Symmetry 2021

In this paper, we establish some results for a Volterra–Hammerstein integral equation with modified arguments: existence and uniqueness, inequalities, monotony Ulam-Hyers-Rassias stability. We emphasize that many problems from the domain of symmetry are modeled by differential equations those approached in stability point view. literature, Fredholm, Volterra Hammerstein integrals symmetric kern...

Journal: :Journal of Mathematical Analysis and Applications 2002

Journal: :International Journal of Pure and Apllied Mathematics 2014

Journal: :Mathematics 2021

In this paper, we obtain sufficient conditions for Hyers–Ulam and Hyers–Ulam–Rassias stability of an abstract second–order nonlinear dynamic equation on bounded time scales. An illustrative example is given to show the applicability theoretical results.

Journal: :Journal of Mathematical Analysis and Applications 2008

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